Journal articles: '62L10'

1

Shi, Wenbao, Jucai Chang, Yan Li, Dong Li, and Ru Hu. "Study on the Bearing Mechanism and Stability of Surrounding Rock in Original Roadway Filling and Nonpillar Tunneling." Geofluids 2023 (March 13, 2023): 1–12. http://dx.doi.org/10.1155/2023/2545442.

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This study is focused on the problem that with the increase of coal seam mining depth, it is difficult to continuously replace mining due to complex roadway layout and unreasonable stope layout. By taking the mining geological conditions of the 62210 fully mechanized mining face of Xinzhuangzi Coal Mine in Huainan mining area, China, as the background, it explores the stress characteristics of the original roadway filling body as well as the stress distribution and deformation characteristics of roadway surrounding rock in original roadway filling and nonpillar tunneling (ORFNPT) through theoretical analysis and numerical simulation. The following findings are obtained. The required strength for the filling body is primarily determined by two factors, i.e., the span of the hanging roof that lies over the filling body and the width of the filling body. The span of the hanging roof is positively correlated with the required strength of the filling body. However, when the width of the filling body reaches a certain value, its further increase fails to change the required strength of the filling body. Compared with gob-side entry driving with small coal pillars, when the ORFNPT technology is applied to the lower-section roadway, the peak stress position in the solid coal on the lower side of the roadway is closer to the roadway sides, and the filling body is of a much higher stress than the small coal pillars. Besides, the roadway surrounding rock undergoes milder deformation. According to the on-site application and measurement data, the roof-to-floor convergence and side-to-side displacement amounts of the roadway are about 89 mm and 58 mm during tunneling of the 62310 working face, and the two amounts are about 910 and 1,290 mm during recovery of the 62310 working face, respectively. This tunneling method achieves an excellent roadway control effect.

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Olavarría, Alberto Sosa, Marisol García, María Martínez, and Deyanira Pereira. "OGP 6210 Seckel's syndrome." Ultrasound in Medicine & Biology 23 (January 1997): S125. http://dx.doi.org/10.1016/s0301-5629(97)80771-5.

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Kingsburgh, R. L., M. Komljenovic, J. A. López, and M. Peimbert. "Recombination line abundances in NGC 6210." Symposium - International Astronomical Union 180 (1997): 250. http://dx.doi.org/10.1017/s0074180900130694.

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We present abundances derived from echelle spectroscopy of the planetary nebula NGC 6210 from the forbidden, collisionally excited lines, and from the permitted, recombination lines. We have obtained spectra from 3 positions in the nebula: at the central star, and 6 and 12 arcseconds south of the central star. We find a discrepancy of a factor of 2 between the O2+/H+ ratio derived by the recombination lines and by the forbidden lines in each spatial position. This discrepancy may result from the presence of temperature fluctuations in NGC 6210, where the collisionally excited lines are exponentially weighted to regions of higher temperature. A value for the root-mean-square temperature fluctuation parameter t2(OIIabun)= 0.038+0.007–0.009 is derived for the central star spectrum, 0.040+0.006–0.013 for the 6 arcsecond offset, and 0.051+0.014–0.015 for the 12 arcsecond offset spectrum. Thus no significant variation in t2 is seen as a function of spatial position within the nebula. We have also estimated t2 by comparing the derived Balmer Jump temperature at the 6 arcsecond offset, Te(BaJ)= 7900+2400–1600K, with the temperature derived from the [O III] 5007/4363å ratio Te[O III]= 9370±100K at this position. This comparison suggest t2(BaJ)= 0.041±0.020, in agreement with the values for t2 as estimated from the recombination lines.

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Pottasch, S. R., J. Bernard-Salas, and T. L. Roellig. "Abundances in the planetary nebula NGC 6210." Astronomy & Astrophysics 499, no. 1 (March 25, 2009): 249–56. http://dx.doi.org/10.1051/0004-6361/200911654.

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Marcinkowska-Ochtyra, Adriana, Krzysztof Gryguc, Adrian Ochtyra, Dominik Kopeć, Anna Jarocińska, and Łukasz Sławik. "Multitemporal Hyperspectral Data Fusion with Topographic Indices—Improving Classification of Natura 2000 Grassland Habitats." Remote Sensing 11, no. 19 (September 28, 2019): 2264. http://dx.doi.org/10.3390/rs11192264.

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Accurately identifying Natura 2000 habitat areas with the support of remote sensing techniques is becoming increasingly feasible. Various data types and methods are used for this purpose, and the fusion of data from various sensors and temporal periods (terms) within the phenological cycle allows natural habitats to be precisely identified. This research was aimed at selecting optimal datasets to classify three grassland Natura 2000 habitats (codes 6210, 6410 and 6510) in the Ostoja Nidziańska Natura 2000 site in Poland based on hyperspectral imagery and botanical on-ground reference data acquired in three terms during one vegetative period in 2017 (May, July and September), as well as a digital terrain model (DTM) obtained by airborne laser scanning (ALS). The classifications were carried out using a random forest (RF) algorithm on minimum noise fraction (MNF) transform output bands obtained for single terms, as well as data fusion combining the topographic indices (TOPO) calculated from the DTM, multitemporal hyperspectral data, or a combination of the two. The classification accuracy statistics were analysed in various combinations based on the datasets and their terms of acquisition. Topographic indices improved the classification accuracy of habitats 6210 and 6410, with the greatest impact noted in increased classification accuracy of xerothermic grasslands. The best terms for identifying specific habitats were autumn for 6510 and summer for 6210 and 6410, while the best results overall were obtained by combining data from all terms. The highest obtained values of the F1 coefficient were 84.5% for habitat 6210, 83.2% for habitat 6410, and 69.9% for habitat 6510. Comparing the data fusion results for habitats 6210 and 6410, greater accuracy was obtained by adding topographic indices to multitemporal hyperspectral data, while for habitat 6510, greater accuracy was obtained by fusing only multitemporal hyperspectral data.

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ชูกลิ่น, ฌานิกา แซ่แง่, กัตตินาฎ สกุลสวัสดิพันธ์, นฤทธิ์ กล่อมพงศ์, วรางคณา เพ็ชร์แก้ว, ศศิวิมล พรหมคีรี, and ภาวินี ตกจีนต้อง. "การผลิตไบโอชาร์จากกะลามะพร้าวและศักยภาพในการส่งผลต่อการปรับปรุงคุณภาพดินเพื่อการเพาะปลูกต้นมะเขือม่วง." วารสารบัณฑิตวิจัย พัฒนาและนวัตกรรม 1, no. 1 (September 18, 2023): 42–52. http://dx.doi.org/10.55164/jgrdi.v1i1.717.

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งานวิจัยนี้ศึกษาการผลิตไบโอชาร์จากกะลามะพร้าว คุณสมบัติทางกายภาพและเคมีของไบโอชาร์และศักยภาพในการส่งผลต่อการปรับปรุงคุณภาพดินเพื่อการเพาะปลูก ผลการศึกษาพบว่า คุณสมบัติทางกายภาพและเคมีของไบโอชาร์จากกะลามะพร้าวโดยไบโอชาร์ที่ผลิตได้มีค่าพีเอชเท่ากับ 8.10 โดยพื้นผิวของไบโอชาร์จากกะลามะพร้าวมีลักษณะเป็นรูพรุน เกิดเป็นช่องว่างจำนวนมาก จากการทดสอบปริมาณอินทรียวัตถุพบว่ามีปริมาณร้อยละ 62.10 สำหรับการทดสอบประสิทธิภาพของไบโอชาร์ที่ผลิตได้ต่อการเจริญเติบโตของต้นมะเขือม่วง โดยทำการศึกษาอัตราส่วนดินต่อไบโอชาร์พบว่าที่อัตราส่วนที่ 1:1 มีการเจริญเติบโตของต้นมะเขือม่วงสูงสุดร้อยละ 90.00 รองลงมาคืออัตราส่วน 0.5:1.5 มีการเจริญเติบโตของต้นมะเขือม่วงร้อยละ 74.40 เมื่อเปรียบเทียบกับอัตราส่วนที่ 2:0 ชุดการทดลองที่ไม่ใส่ไบโอชาร์จากกะลามะพร้าว มีการเจริญเติบโตของต้นมะเขือม่วงเพียงร้อยละ 53.03 เห็นได้ชัดว่าไบโอชาร์จากกะลามะพร้าวมีศักยภาพเพื่อใช้ในการปรับปรุงคุณภาพดินเพื่อการเจริญเติบโตของต้นมะเขือม่วง

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Yao, Shengrui, Ian A. Merwin, and Michael G. Brown. "Root Dynamics of Apple Rootstocks in a Replanted Orchard." HortScience 41, no. 5 (August 2006): 1149–55. http://dx.doi.org/10.21273/hortsci.41.5.1149.

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Root observations in situ with a rhizotron camera enabled us to compare the performance of apple (Malus ×domestica Borkh.) trees on 3 rootstock clones planted in a New York orchard with a history of apple replant disease. Visual observations were conducted in situ at monthly intervals during 2 growing seasons through minirhizotron tubes for trees grafted onto 3 rootstocks: M.7 (M.7), Geneva 30 (G.30), and Cornell-Geneva 6210 (CG.6210). There were 3 preplant soil treatments (fumigation, compost amendment, and untreated checks) and 2 tree planting positions (within the old tree rows or in the old grass lanes of the previous orchard at this site). Preplant soil treatments and old-row versus grass-lane tree planting positions had no apparent influence on root systems, whereas rootstock clones substantially influenced root growth and demography. New root emergence was suppressed during the first fruit-bearing year (2004) on all 3 rootstock clones compared with the previous nonbearing year (2003). A root-growth peak in early July accounted for more than 50% of all new roots in 2003, but there was no midsummer root-growth peak in 2004. The median lifespan for roots of CG.6210 was twice that of G.30 and M.7 in 2004. Also, CG.6210 had more roots below 30 cm depth, whereas M.7 had more roots from 11 to 20 cm depth. Trees on CG.6210 were bigger, yielded more fruit, and had the highest yield efficiency in the third year after planting compared with trees on G.30 and M.7 rootstocks. Crop load appeared to inhibit new root development and changed root-growth dynamics during the first bearing year, with a resurgence in new root growth after fruit was harvested in October 2004. Rootstock genotype was the dominant influence on root lifespan and distribution in this study, whereas preplant soil fumigation, compost amendments, and replanting positions had little apparent impact on root characteristics despite their influence on above-ground tree growth and yield.

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Mukhopadhyay, N., and S. Chattopadhyay. "Simultaneous Estimation of Proportions in a Finite Population." Calcutta Statistical Association Bulletin 43, no. 1-2 (March 1993): 65–74. http://dx.doi.org/10.1177/0008068319930106.

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Sequential and multistage sampling strategies via simple random sampling without replacement, are proposed for simultaneously estimating several proportions in a finite population. Various asymptotic first-order properties are addressed, while some limited moderate sample performance have also been included. AMS (1980) Subject Classification: Primary 62L99; Secondary 62L12

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Bhattacharya, Rahul, S. Maiti Sudhansu, Mouli Choudhury Mriganka, and Dipangsu Mukherjee. "Minimum Variance Unbiased Estimation of Reliability Function for a Class of Generalizations of Lindley Distribution." Calcutta Statistical Association Bulletin 72, no. 1 (May 2020): 43–57. http://dx.doi.org/10.1177/0008068320923428.

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Uniformly minimum variance unbiased (UMVU) estimators of reliability function (both stress–strength and mission time) and the associated variance are derived for a class of generalization of Lindley distribution. The application of the results is further validated by a real data study. AMS 2020 subject classification: 62N05 62F10

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Smitha, S., K. R. Muraleedharan Nair, and P. G. Sankaran. "On Measures of Affinity for Truncated Distributions." Calcutta Statistical Association Bulletin 59, no. 3-4 (September 2007): 151–62. http://dx.doi.org/10.1177/0008068320070303.

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Abstract: In the present paper we define affinity for truncated distributions and examine its properties. The relationship of this measure with other discrimination measures is examined. We also provide a characterization result for the proportional hazard model using the functional form of the truncated affinity. AMS (2000) Subject Classification: 62E10, 90B25

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John, Nimitha, and N. Balakrishna. "Copula-based Bivariate Cointegration Model." Calcutta Statistical Association Bulletin 71, no. 1 (April 25, 2019): 21–39. http://dx.doi.org/10.1177/0008068319838146.

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This article focuses on a bivariate cointegrating model with non-normal errors. In particular, we propose a bivariate error distribution constructed using two non-identical marginals through a copula. The model parameters are estimated using the method of inference functions for margins and maximum likelihood. Applications of the proposed model are illustrated through real life examples. AMS classification codes: 62M10

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Bandyopadhyay, Uttam, and Gopaldeb Chattopadhyay. "Inverse Sampling for Bivariate Nonparametric Two-Sample Problems Against Restricted Alternatives." Calcutta Statistical Association Bulletin 42, no. 3-4 (September 1992): 221–36. http://dx.doi.org/10.1177/0008068319920306.

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The object of the present investigation is to provide suitable nonparametric tests for testing the identity of two bivariate distribution functions F1 and F2 against a class of restricted alternatives when there is sample of fixed size m from F1 and the observations from F2 are drawn sequentially. Various large sample results of the proposed tests are formulated and examined. AMS Subject Classification: Primary 62010, Secondary 62020.

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Mukhopadhyay, Susmita, Neeta Natu, and Khushboo Anand. "To evaluate histopathological changes in placenta of IUGR." Indian Journal of Obstetrics and Gynecology Research 9, no. 1 (February 15, 2022): 15–18. http://dx.doi.org/10.18231/j.ijogr.2022.004.

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The present study entitled “To evaluate Histopathological changes in Placenta of IUGR” was conducted in the Department of Obstetrics and Gynaecology. A total of 400 patients were studied. Out of them 200 were normal patients without IUGR and 200 with IUGR. These patients were evaluated with the help of semistructured proforma consisting of various socio-demographic and clinical variables.Number of LSCS deliveries in IUGR patients (59) is significantly more than control group (33).The number of syncytial knot formation (>10) in IUGR is 169 compared to 153 of control and hence is statistically insignificant. Cytotrophoblastic proliferation (>10) in IUGR (126) is significantly more than (92) in the control group. Number Of area fibrinoid necrosis in villi > 5 in IUGR group is 57 compared to control group (29) (significantly higher) No. of hylinized areas (> 5) in IUGR (101) is significantly higher than in control group (68). Histopathological findings in low power field like syncytial knot formation, cytotrophoblastic cellular proliferation, calcification and hyalinisation of villi are also found as normal aging changes in placenta but it occur early and more frequently per low power field in IUGR group. To conclude, these morphological & histological findings of placenta are the etiological basis for Intra uterine growth restriction.

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Phillips, J. P., and L. Cuesta. "NGC 6210: an Observational Case Study of a Jet Emitting Source." Astronomical Journal 111 (March 1996): 1227. http://dx.doi.org/10.1086/117868.

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Kapitanov, V. A., and Yu N. Ponomarev. "High resolution ethylene absorption spectrum between 6035 and 6210 cm-1." Applied Physics B 90, no. 2 (January 22, 2008): 235–41. http://dx.doi.org/10.1007/s00340-007-2920-3.

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Leinfelder, Michelle M., Ian A. Merwin, Gennaro Fazio, and Terence Robinson*. "Resistant Rootstocks, Preplant Compost Amendments, Soil Fumigation, and Row Repositioning for Managing Apple Replant Disease." HortScience 39, no. 4 (July 2004): 841B—841. http://dx.doi.org/10.21273/hortsci.39.4.841b.

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We are testing control tactics for apple replant disease (ARD) complex, a worldwide problem for fruit growers that is attributed to various biotic and abiotic soil factors. In Nov. 2001, “Empire” apple trees on five rootstocks (M.26, M.7, G.16, CG.6210, and G.30) were planted into four preplant soil treatments—commercial compost at 492 kg/ha soil-incorporated and 492 kg·ha-1 surface-applied), soil fumigation with Telone C-17 (400 L·ha-1 of 1,3-dichloropropene + chloropicrin injected at 30 cm depth five weeks prior to replanting), compost plus fumigant combination, and untreated controls—at an old orchard site in Ithaca, N.Y. Trees were replanted in rows perpendicular to, and either in or out of, previous orchard rows. Irrigation was applied as needed, and N-P-K fertilizer was applied in 2001 to all non-compost treatments to compensate for nutrients in the compost treatment. After two growing seasons, the rootstock factor has contributed most to tree-growth differences. CG.6210 rootstock supported greater growth in trunk diameter, central leader height, and lateral shoot growth (P < 0.05), regardless of preplant soil treatments and replant position. Trees on M.26 grew least over a two year period. Replant growth was greater in old grass lanes than in old tree rows, despite higher root-lesion nematode populations in previous grass lanes. Growth responses to preplant soil fumigation were negligible. Preplant compost did not increase tree growth during year one, but did increase lateral branch growth in year two. Results thus far suggest that replanting apple trees out of the old tree-row locations, and using ARD tolerant rootstocks such as CG.6210, may be more effective than soil fumigation for control of ARD in some old orchard sites.

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Rubin, R. H., S. W. J. Colgan, M. R. Haas, S. D. Lord, and J. P. Simpson. "Far-infrared spectroscopy of Planetary Nebulae with the KAO." Symposium - International Astronomical Union 180 (1997): 278. http://dx.doi.org/10.1017/s0074180900130967.

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We present new far-infrared line observations of the planetary nebulae (PNs) NGC 7027, NGC 7009, NGC 6210, NGC 6543, and IC 4997 obtained with the Kuiper Airborne Observatory (KAO). The bulk of our data are for NGC 7027 and NGC 7009, including [Ne V] 24 μm, [O IV] 26 μm, [O III] (52, 88μm), and [Nm] 57 μm. Our data for [O III] (52, 88) and [N III] 57 in NGC 7027 represent the first measurements of these lines in this source. The large [O III] 52/88 flux ratio implies an electron density (cm–3) of log Ne[O III] = 4.19, the largest Ne ever inferred from these lines. We derive N++/O++ = 0.394±0.062 for NGC 7027 and 0.179±0.043 for NGC 6210. We are able to infer the O+3/O++ ionic ratio from our data. As gauged by this ionic ratio, NGC 7027 is substantially higher ionization than is NGC 7009 – consistent with our observation that the former produces copious [Ne V] emission while the latter does not. These data help characterize the stellar ionizing radiation field.

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Wilhelm, Marcin, Agnieszka Racławska, Christian Hoffmann, and Johannes Fröhlich. "Ochrona muraw kserotermicznych realizowana w polsko-niemieckim obszarze przygranicznym (Polska – województwo zachodniopomorskie, Niemcy – Kraj Związkowy Brandenburgia i Meklemburgia-Pomorze Przednie) w latach 2020-2022 – metodyka działań i ich efekty." Steciana 27, no. 2 (July 4, 2023): 29–45. http://dx.doi.org/10.12657/steciana.027.004.

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The paper presents the results of the project (INT162) related to the active protection of xerothermic grasslands located in Poland (Western Pomerania) and Germany (Brandenburg and Mecklenburg-Vorpomeranian). It presents the research methodology established to assess the conservation status of xerothermic grasslands (habitat code 6210). In the years 2020–2022, removal of tree and shrub growth, sheep grazing and mowing of grasslands were carried out at 14 sites. Prior to the project, the condition of the xerothermic grasslands was assessed using the methodology of monitoring natural habitats. It was indicated that appropriate rating (FV) was given only the nature reserves “Brodogóry” and “Stary Przylep”, where conservation works have been carried out for years. After the project was completed, the condition of the xerothermic grasslands did not improve due to their advanced transformations related to successive changes. Some indicators characterizing habitat 6210 have improved, e.g. the degree of shrub cover, coverage of typical herbaceous plants, types of structures. Protection measures should be continued, considering extending their scope to include controlled burning or the introduction of rare plant species.

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Manivilasam, Madhusoodanan Nair, H. Kalyan Rao, and Ginni Nijhawan. "Symmetric Balanced Incomplete Block Designs (Sbibd) And Construction of Hadamard Rhotrices." MATEC Web of Conferences 392 (2024): 01034. http://dx.doi.org/10.1051/matecconf/202439201034.

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Balanced Incomplete Block Designs (BIBD) are the designs obtained from the arrangement of symbols in blocks following established rules and satisfying relevant necessary conditions. BIBDs have broad applications in many fields.The entries in a Hadamard matrix H are all +1’s or -1’s, satisfying the property HHT = n In [2]. Rhotrix is a new concept in mathematics having applications in cryptography. In this paper, using SBIB designs the Hadamard Rhotrices are constructed. AMS Subject classification: 05B05, 05B20, 62K10.

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Klein, Martin D., John Zylstra, and Bimal K. Sinha. "Finite Sample Inference for Multiply Imputed Synthetic Data under a Multiple Linear Regression Model." Calcutta Statistical Association Bulletin 71, no. 2 (November 2019): 63–82. http://dx.doi.org/10.1177/0008068318803814.

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In this article, we develop finite sample inference based on multiply imputed synthetic data generated under the multiple linear regression model. We consider two methods of generating the synthetic data, namely posterior predictive sampling and plug-in sampling. Simulation results are presented to confirm that the proposed methodology performs as the theory predicts and to numerically compare the proposed methodology with the current state-of-the-art procedures for analysing multiply imputed partially synthetic data. AMS 2000 subject classification: 62F10, 62F25, 62J05

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Mejza, Iwona, and Stanislaw Mejza. "Incomplete Split-Plot Designs Generatd By GDPBIBD(2)." Calcutta Statistical Association Bulletin 46, no. 1-2 (March 1996): 117–28. http://dx.doi.org/10.1177/0008068319960110.

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The paper deals with split-plot types of experiment in which some kind of incompleteness can be accepted. In particular, the considered designs can be incomplete with regard to the wboleplot treatments or with regard to the subplot treatments. In such a case the incomplete treatments are arranged in a Gtoup Divisible Partially Balanced Incomplete Block Design with Two Associate Classes (GDPBIBD{2)). Hence, the resulting desian is called incomplete split-plot design generated by GDPBIBD(2). AMS Subject Classification: 62K10, 62K15.

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Sinha, Abhik, Uttam Bandyopadhyay, and Rahul Bhattacharya. "Comparing Two Treatments in Two Period Repeated Measurement Design." Calcutta Statistical Association Bulletin 72, no. 1 (May 2020): 58–66. http://dx.doi.org/10.1177/0008068320925226.

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This work deals with nonparametric test procedures for comparing effects of two treatments in two period parallel group design, where each subject receives the same treatment over the two periods. The procedures are based on consistent estimators of relative treatment effects in each period and that of covariate adjusted effects with responses in period 1 as covariates. Related asymptotic results are obtained followed by necessary simulation studies to evaluate the performance of the tests. AMS 2010 subject classifications: 62G10 62J15

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Parni Meri, Elatri, Hilma Pami Putri, Loli Safitri, and Reflinda. "The Effect of Fly Swatter Game on Students Vocabulary Mastery At First Grade Students of SMPN 1 Inuman-Kuantan Singingi." Journal of Educational Management and Strategy 1, no. 1 (October 30, 2022): 46–56. http://dx.doi.org/10.57255/jemast.v1i1.66.

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The researcher conducted this research because researcher found several problems in the process of learning English. Those problems were related through observation in the class at SMPN 1 Inuman-Kabupaten Kuansing. The first is that the students have difficulty learning English. The second is that most of students lack vocabulary. The third is that the teacher uses monotone techniques in learning English, especially vocabulary. In this case, this research was going to find out whether there was a significant effect of the fly swatter game on students’ vocabulary mastery in first grade students of SMPN 1 Inuman-Kabupaten Kuansing. The researcher used quantitative research as the methodology for this research, as well as experimental research. The design of this research was pre-experimental research with one group pretest-posttest design. The subjects in this research were all of the students in first grade at SMPN 1 Inuman. The researcher used the random sampling technique in taking the sample, in which the VIIB class became the sample of the research, which consisted of 19 students. The data was gotten from the students’ vocabulary tests that were given before and after treatment was given. After calculating the data, it was found that the mean score of the students’ vocabulary mastery on the pre-test was 62.10, while the mean score of the students’ post-test was 73.95. It means that the fly swatter game had a significant effect on students' vocabulary mastery in first grade students of SMPN 1 Inuman-Kabupaten Kuansing. Abstrak Peneliti melakukan penelitian ini karena peneliti menemukan beberapa masalah dalam proses pembelajaran bahasa Inggris. Permasalahan tersebut terkait melalui observasi di kelas di SMPN 1 Inuman-Kabupaten Kuansing. Yang pertama adalah siswa mengalami kesulitan belajar bahasa Inggris. Kedua, sebagian besar siswa kurang kosa kata. Ketiga, guru menggunakan teknik monoton dalam pembelajaran bahasa Inggris, khususnya kosa kata. Dalam hal ini, penelitian ini akan mencari tahu apakah ada pengaruh yang sig+nifikan dari permainan pemukul lalat terhadap penguasaan kosakata siswa pada siswa kelas satu SMPN 1 Inuman-Kabupaten Kuansing. Peneliti menggunakan penelitian kuantitatif sebagai metodologi penelitian ini, serta penelitian eksperimental. Desain penelitian ini adalah penelitian pra eksperimen dengan desain one group pretest-posttest design. Subjek dalam penelitian ini adalah seluruh siswa kelas I SMPN 1 Inuman. Peneliti menggunakan teknik random sampling dalam pengambilan sampel, dimana kelas VIIB menjadi sampel penelitian yang berjumlah 19 siswa. Data diperoleh dari tes kosakata siswa yang diberikan sebelum dan sesudah diberikan treatment. Setelah menghitung data, ditemukan bahwa rata-rata skor penguasaan kosakata siswa pada pre-test adalah 62,10, sedangkan skor rata-rata post-test siswa adalah 73,95. Artinya permainan pemukul lalat berpengaruh signifikan terhadap penguasaan kosakata siswa kelas I SMPN 1 Inuman-Kabupaten Kuansing.

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Singh, Sarjinder. "Estimation of Variance of Regression Estimator in two Phase Sampling." Calcutta Statistical Association Bulletin 50, no. 1-2 (March 2000): 49–64. http://dx.doi.org/10.1177/0008068320000105.

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In the present investigation, an improved strategy in two phase sampling for estimating the variance of the regression estimator has been developed. The proposed technique has been found to be more efficient than the strategy adopted by Hidiroglou and Sarndal (1995, 1998). The proposed strategy here is analogous to the higher order calibration approach proposed by Singh, Horn and Yu (1998). Many new estimators for estimating the variance of regression estimator have been studied theoretically as well as empirically. AMS (2000) Subject Classification: Primary 62D05; Secondary 62F10.

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Escalante, V., and J. A. Toalá. "A New Model of NGC 6210 to Solve its Abundance Discrepancy Problem." Proceedings of the International Astronomical Union 12, S323 (October 2016): 337–38. http://dx.doi.org/10.1017/s1743921317002113.

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AbstractWe present a model that solves the abundance discrepancy problem for NGC 6210. The model proposes a high abundance of CNONe elements that lowers the temperature of the central parts of the nebula. The colder gas model reproduces the observed intensity of the strong [N ii] and [O iii] emission lines, and increases the predicted weak recombination lines towards their observed values. We examine how the usual nebular diagnostic line ratios depend on model abundances.

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Bohigas, J., V. Escalante, M. Rodríguez, and R. J. Dufour. "Echelle spectroscopy and photoionization modelling of the entire planetary nebula NGC 6210." Monthly Notices of the Royal Astronomical Society 447, no. 1 (December 19, 2014): 817–35. http://dx.doi.org/10.1093/mnras/stu2389.

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Miyaji, Yusuke, Mitsuki Shimada, Yukio Mizuno, and Katsuhiko Naito. "Evaluation of Magnetic Field Generated by Power Distribution Equipment in Accordance with IEC 62110." IEEJ Transactions on Fundamentals and Materials 135, no. 5 (2015): 282–86. http://dx.doi.org/10.1541/ieejfms.135.282.

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Mulyaningsih, Sri, Sampurno Sampurno, Yahdi Zaim, Deny Juanda Puradimaja, Sutikno Bronto, and Darwin Alijasa Siregar. "Perkembangan Geologi pada Kuarter Awal sampai Masa Sejarah di Dataran Yogyakarta." Indonesian Journal on Geoscience 1, no. 2 (June 28, 2006): 103–13. http://dx.doi.org/10.17014/ijog.1.2.103-113.

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http://dx.doi.org/10.17014/ijog.vol1no2.20065The uplift of Southern Mountains in Early Pleistocene has formed the Yogyakarta Basin. In this basin, the Merapi volcanic activity has been developing. Based on 14C dating in cinder deposits exposed at Cepogo, the volcanic activity took place since ±42 ka. While on the basis of K/Ar dating in andesitic lava at Bibi Volcano, the activity took place since 0.67 ma. The high in the south and the appearance of Merapi volcanic dome in the north had caused a fl at valley. The southern part of the valley is bounded by the Southern Mountains and the western part is bounded by the West Progo Mountains. In the present time, the lithology of the areas which are interpreted as a palaeo-valley is composed of black clay deposits. This black clay is a contact between the basement rocks and Merapi volcanic deposits. The black clay deposits exposed in the Progo River (Kasihan) has been developed since ±16.59 to 0.47 ka, while in the Opak River (Watuadeg) 6210 y BP. Younger black clay deposits intersecting with lahars are also exposed at the Winongo River and have an age of 310 y BP. The age data of volcanic stratigraphy shows that Merapi activities had taken place since ±6210 up to ±310 years ago.

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Mehta, Santosh Kumari, B. D., and S. D. Batra. "Some Supplemented Row-Column Designs with Varying Replications." Calcutta Statistical Association Bulletin 50, no. 1-2 (March 2000): 43–48. http://dx.doi.org/10.1177/0008068320000104.

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A series of Row-column designs (RC-designs) in two sets of treatments with varying replications have been constructed by supplementing a set of [Formula: see text] treatments in blank positions of [Formula: see text] row-column design of Agrawal (1966). The [Formula: see text] supplemented treatments are further divided into v1 groups each having v2 treatments and by merging the v2 treatments of each group a series of RC-designs in v1 supplemented treatments has been obtained. The designs have been identified as Simple partially efficiency balanced Row-column designs (SPEB RC-designs). AMS {2000} Subject Classification: 62K10.

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Lemke, Hilmar, Oliver Hecht, Michael Zemlin, Ahmad Trad, Radu Tanasa, and Harry Schroeder. "Class switch recombination appears to be regulated by BCR/idiotype-specific T cell action (62.10)." Journal of Immunology 186, no. 1_Supplement (April 1, 2011): 62.10. http://dx.doi.org/10.4049/jimmunol.186.supp.62.10.

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Abstract The T cell-dependent processes of class switch recombination (CSR) and immune maturation are believed to be driven by affinity-dependent clonal selection. However, analysis of the anti-hapten 2-phenyloxazolone response reveals that (i) thymus-dependent IgM are as heterogene-ous as natural and thymus-independent antibodies, (ii) many IgM exhibit similar or greater affinities than the classic Ox1 clonotype that (iii) dominates only after CSR, (iv) CSR selects B cell clones with shorter and more uniform CDR-H3 lengths and (v) primary IgM encoded by VH1 family genes were almost completely eliminated from the repertoire by CSR. Thus, contrary to the current paradigm, CSR appears to be clonally regulated more on the basis of BCR-specific, e.g. CDR-H3 idiotope-related, T cell action than affinity-dependent clonal selection.

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Lee, Seong-Jae, Jin-Kyung Wi, and Siek Hyung. "Spectroscopic Study of the Planetary Nebula NGC 6210: Velocity Structure and Permitted Lines." Journal of the Korean earth science society 30, no. 5 (September 30, 2009): 611–21. http://dx.doi.org/10.5467/jkess.2009.30.5.611.

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Kapitanov, Venedikt A., Alexander M. Solodov, Tatiana M. Petrova, and Yurii N. Ponomarev. "Fourier Transform and Photoacoustic Absorption Spectra of Ethylene within 6035–6210 cm-1: Comparative Measurements." International Journal of Spectroscopy 2010 (June 1, 2010): 1–6. http://dx.doi.org/10.1155/2010/203672.

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Measurements of ethylene absorption spectra with Fourier Transform (FT) and Photoacoustic (PA) spectrometers within 6035–6210 cm−1 are described. The methodology used for building the frequency scale for both spectrometers is presented. The methane absorption spectrum, included into the HITRAN database, was used in both cases to calibrate the frequency scale. Ethylene absorption spectra were obtained with the two recording methods; a coincidence of the measured line center positions was obtained with an accuracy of 0.0005 cm−1.

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Leinfelder, Michelle M., and Ian A. Merwin. "Rootstock Selection, Preplant Soil Treatments, and Tree Planting Positions as Factors in Managing Apple Replant Disease." HortScience 41, no. 2 (April 2006): 394–401. http://dx.doi.org/10.21273/hortsci.41.2.394.

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Apple replant disease (ARD) is a common problem typified by stunted growth and reduced yields in successive plantings of apple (Malus ×domestica Borkh.) in old orchard sites. ARD is attributed to biotic and abiotic factors; it is highly variable by sites, making it difficult to diagnose and overcome. In this experiment, we tested several methods of controlling ARD in a site previously planted to apple for >80 years. Our objective was to evaluate practical methods for ARD management. We compared three different experimental factors: four preplant soil treatments (PPSTs) (compost amendments, fumigation with Telone C-17, compost plus fumigation, and untreated soil); two replanting positions (in the old tree rows vs. old grass lanes); and five clonal rootstocks (`M.26', `M.7', `G.16', `CG.6210', and `G.30') during 4 years after replanting. The PPSTs had little effect on tree growth or yields during 4 years. Tree growth was affected by planting position, with trees planted in old grass lanes performing better than those in the old tree rows. Rootstocks were the most important factor in overcoming ARD; trees on `CG.6210' and `CG.30' grew better and yielded more than those on other rootstocks. Rootstock selection and row repositioning were more beneficial than soil fumigation or compost amendments in controlling ARD at this orchard.

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Chu, You-Hua, and George H. Jacoby. "Internal Motions of Faint PN Halos." Symposium - International Astronomical Union 131 (1989): 198. http://dx.doi.org/10.1017/s0074180900138082.

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We have obtained long-slit echelle observations of faint halos for 10 PNe - NGC 2022, 2438, 6210, 6309, 6543, 6720, 6751, 6826, 6891, and 7662. Only NGC 2022 and 6720 have linesplits indicative of a hollow expanding-shell structure. The others have observed FWHM ranging from 13 to 47 km/s in the [O III]λ5007 line, with an instrumental FWHM of 9–10 km/s. We have subtracted the instrumental and thermal widths and made geometric corrections to derive the expansion velocities.

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Tarantino, Cristina, Luigi Forte, Palma Blonda, Saverio Vicario, Valeria Tomaselli, Carl Beierkuhnlein, and Maria Adamo. "Intra-Annual Sentinel-2 Time-Series Supporting Grassland Habitat Discrimination." Remote Sensing 13, no. 2 (January 14, 2021): 277. http://dx.doi.org/10.3390/rs13020277.

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The present study aims to discriminate four semi-arid grassland habitats in a Mediterranean Natura 2000 site, Southern Italy, involving 6210/E1.263, 62A0/E1.55, 6220/E1.434 and X/E1.61-E1.C2-E1.C4 (according to Annex I of the European Habitat Directive/EUropean Nature Information System (EUNIS) taxonomies). For this purpose, an intra-annual time-series of 30 Sentinel-2 images, embedding phenology information, were investigated for 2018. The methodology adopted was based on a two-stage workflow employing a Support Vector Machine classifier. In the first stage only four Sentinel-2 multi-season images were analyzed, to provide an updated land cover map from where the grassland layer was extracted. The layer obtained was then used for masking the input features to the second stage. The latter stage discriminated the four grassland habitats by analyzing several input features configurations. These included multiple spectral indices selected from the time-series and the Digital Terrain Model. The results obtained from the different input configurations selected were compared to evaluate if the phenology information from time-series could improve grassland habitats discrimination. The highest F1 values (95.25% and 80.27%) were achieved for 6210/E1.263 and 6220/E1.434, respectively, whereas the results remained stable (97,33%) for 62A0/E1.55 and quite low (75,97%) for X/E1.61-E1.C2-E1.C4. However, since for all the four habitats analyzed no single configuration resulted effective, a Majority Vote algorithm was applied to achieve a reduction in classification uncertainty.

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Nayak, Bibhu Prasad, Dinesh Kumar Naik, Simanta Das, Bipsa Singh, and Arati Behera. "Pediatric acute kidney injury – Prevalence, clinical spectrum and outcome in a tertiary care institute of Eastern India." Panacea Journal of Medical Sciences 13, no. 3 (December 15, 2023): 664–70. http://dx.doi.org/10.18231/j.pjms.2023.122.

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In this study, we wanted to determine the incidence and prevalence of AKI in admitted patients of our institution in relation to their age, sex and clinical conditions. We also wanted to study the various aetiologies causing acute kidney injury in children, its severity in admitted patients, the time interval of onset of disease and onset of AKI, it’s mode of management and outcomes in children.This study was conducted in the paediatric ward of a tertiary care hospital in Eastern India. Total 147 cases of hospitalized AKI patients were studied.The incidence of AKI was found to be 1.27% in all hospitalized children. Maximum no. of cases were found in the age group >10 years (44.2%). Male children outnumbered female children by a ratio of 2:1. Fever (72.8%) and Oliguria/anuria (72.1%) were the most common presenting features. Pallor was the most common presenting sign in 66% followed by oedema (42.2%), encephalopathy (31.9%) and respiratory distress (16.3%). 32% of cases presented within 24hrs with an H/O oliguria/anuria and 64% in within 72hrs. Most patients were managed with conservative management (53%) but 36.7% were managed with HD and 10.3% were managed with PD.Acute Kidney Injury cases were more common in children of age group >10 years, males being affected more. Fever and oliguria/anuria were the commonest mode of presentations with malaria as the most frequent clinical condition associated with AKI followed by sepsis. The renal type was the commonest type of AKI. There was a moderate derangement of kidney function in the majority of cases with hyperkalaemia in a significant group of patients. 47% of patients required dialytic support and case fatality was 13%. The presence of dysnatremia, hyperkalaemia, encephalopathy and shock were poor predictors of the outcome of AKI.

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Krupitzki, Romaris, Martinez, Grill, and Clavelli. "OGO 6210 Polyhydramnios, fetal movements absence and severe hypotonia in congenital myotonic dystrophy (CMD)." Ultrasound in Medicine & Biology 23 (January 1997): S104. http://dx.doi.org/10.1016/s0301-5629(97)80691-6.

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Mendoza, E. E., C. Chavarría-K., and V. M. Arévalo. "Narrow Band Photometry and Mapping of the Planetary Nebulae NGC 6210 and NGC 7009." Symposium - International Astronomical Union 131 (1989): 49. http://dx.doi.org/10.1017/s0074180900137489.

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This paper is based upon observations carried out at the Observatorio Astronómico Nacional, San Pedro Mártir, B.C.N. México. They are of two types: (1) α(16)Λ(9)-photometry, obtained with the 1.5-m Johnson telescope, and (2) maps at the wavelengths of Hα and λ7751 A [Ar III] emission lines secured with the 2.1-m telescope.

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Biswas, Aniket, and Subrata Chakraborty. "Stress–Strength Reliability for the Unit-Lindley Distribution with an Application." Calcutta Statistical Association Bulletin 73, no. 1 (May 2021): 7–23. http://dx.doi.org/10.1177/0008068321998111.

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The unit-Lindley distribution has recently been introduced in the literature as an alternative to the beta and the Kumaraswamy distributions in support (0,1). This distribution enjoys many virtuous properties over the mentioned distributions. In this article, we address the issue of parameter estimation from a Bayesian perspective and study relative performance of different estimators through extensive simulation experiments. Significant emphasis is given to the estimation of stress–strength reliability employing classical as well as Bayesian approach. Application of an intuitive metric of discrepancy derived from stress–strength reliability is considered and computed for two different geographic regions with respect to an important public health indicator. AMS 2010 subject classifications: 62F10, 62P05.

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Marizal, Muhammad, and Fikha Mutiarani. "PENERAPAN METODE EKSPONENTIAL SMOOTHING DALAM MEMPREDIKSI JUMLAH PESERTA DIDIK BARU DI SMA FAVORIT KOTA PAYAKUMBUH." Majalah Ilmiah Matematika dan Statistika 22, no. 1 (March 13, 2022): 43. http://dx.doi.org/10.19184/mims.v22i1.30138.

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Forecasting is a technique for estimating a value on a particular object in the future by paying attention to past data. This forecasting uses the Exponential Smoothing models because the data used is in accordance with the model. This study aims to predict the number of students in favorite high schools in Payakumbuh based on data obtained from 2014 until 2021 which is grouped into science and social studies classes. Forecasting is done using a Single Exponential Smoothing and Double Exponential models. MAPE results show that the Double Exponential Smoothing model is better at predicting the number of new students than Single Exponential Smoothing. Keywords: Double exponential smoothing, forecasting, single exponential smoothingMSC2020: 62M10

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Kayal, Suchandan, S. M. Sunoj, and B. Vineshkumar. "Quantile-based Reliability Measures and Some Associated Stochastic Orderings." Calcutta Statistical Association Bulletin 70, no. 2 (November 2018): 136–54. http://dx.doi.org/10.1177/0008068318808137.

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There are several statistical models which have explicit quantile functions, but do not have manageable cumulative distribution functions. For example, Govindarajulu, various forms of lambda, and power-Pareto distributions. Thus, to study the reliability measures for such kind of distributions, a quantile-based tool is essentially required. In this article, we consider quantile version of some well- known reliability measures in the reversed time scale. We study stochastic orders based on the reversed hazard quantile function and the mean inactivity quantile time function. Further, we discuss relative reversed hazard quantile function order, likelihood quantile ratio order, and elasticity quantile order. Connections between the newly proposed orders and the existing stochastic orders are established. AMS 2010 Subject Classification: 60E15, 62E10

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张, 群. "Numerical Simulation and Preliminary Analysis of pp 62110 Xin Zhuang Zi Mine Mining Area Fault Activation Process." Metallurgical Engineering 01, no. 02 (2014): 49–64. http://dx.doi.org/10.12677/meng.2014.12008.

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Purwasih, Silviana Maya, and Rani Kurnia Putri. "Peningkatan Keaktifan dan Motivasi Belajar Mahasiswa melalui Pendekatan Kontekstual." J Statistika: Jurnal Ilmiah Teori dan Aplikasi Statistika 13, no. 2 (December 31, 2020): 1–4. http://dx.doi.org/10.36456/jstat.vol13.no2.a2998.

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Penelitian ini bertujuan untuk meningkatkan keaktifan dan motivasi belajar mahasiswa Program Studi Pendidikan Matematika di Universitas PGRI Adibuana pada mata kuliah Matematika Kejuruan melalui pendekatan kontekstual. Penelitian Ini merupakan Penelitian Tindakan Kelas dengan 2 siklus. Teknik pengumpulan data dilakukan melalui observasi, angket, dan dokumentasi, sedangkan teknik analisis data menggunakan reduksi data, penyajian data, dan penarikan kesimpulan. Hasil penelitian ini menunjukkan bahwa pendekatan kontekstual memberikan konstribusi dalam meningkatkan keaktifan dan motivasi belajar mahasiswa pada mata kuliah Matematika kejuruan. Secara klasikal, peningkatan tersebut dapat dilihat dari hasil data presentase angket keaktifan belajar mahasiswa pada siklus I mencapai 64,28%, pada siklus II meningkat sebesar 12,43% menjadi 76,71%, juga melalui presentase keseluruhan indikator motivasi belajar mahasiswa yang semula pada siklus I sebesar 62,10%, pada siklus kedua meningkat sebesar 13,74% menjadi 75,84%.

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Beller, Jennifer M., and Sharon Kay Stoll. "Moral Reasoning of High School Student Athletes and General Students: An Empirical Study versus Personal Testimony." Pediatric Exercise Science 7, no. 4 (November 1995): 352–63. http://dx.doi.org/10.1123/pes.7.4.352.

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The purpose of this study was to analyze cognitive moral reasoning of high school student athletes and their nonathlete peers (n = 1,330). Students were evaluated with the Hahm-Beller Values Choice Inventory in the Sport Milieu. Nonathletes (NA) scored significantly higher (M = 67.75, SEM = 0.39) compared to team sport (TS) athletes (M = 62.10, SEM = 0.40). Females scored significantly higher (M = 68.78, SEM = 0.34) than males (M = 60.97, SEM = 0.38). Female NA (M = 69.54, SEM = 0.33) and female TS athletes (M = 67.50, SEM = 0.35) scored significantly different compared to male TS athletes (M = 59.21, SEM = 0.42). This study supports cognitive research data of collegiate athlete populations. Interscholastic athletes reason from a less consistent, impartial, and reflective moral reasoning than do nonathletes.

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Soka, Ni Ketut. "PNERAPAN STRATEGIEXPERIENTAL LEARNING (BELAJAR PENGALAMAN) DENGAN PRINSIP 4 M UNTUK MENINGKATKAN PRESTASI BELAJAR IPA." Jurnal Santiaji Pendidikan (JSP) 8, no. 2 (January 10, 2019): 149–55. http://dx.doi.org/10.36733/jsp.v8i2.173.

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This research was conducted at SD Negeri 15 Pemecutan in fourth grade whose students' ability to understand the learning achievement of science was low. The aim of this classroom action research is to find out whether experiential learning strategy by using 4 M principles can improve the students’ achievement in learning science.The method of data collection is the science achievement test. The method of data analysis is descriptive. The result obtained from this research is experiental learning strategy by using 4 M principles can improve students’ science learning achievement. This evident showed on the results obtained initially 62.10, in the first cycle to 76.00 and in the second cycle to 77.12. The conclusion obtained of this research is experiental learning strategy by using 4 M principles can improve students’ science learning achievement.

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Kumar, Narinder, Amar Nath Gill, and Gobind P. Mehta. "Selection Procedures for Location Parameters Based on Two-Sample U-Statistics." Calcutta Statistical Association Bulletin 42, no. 3-4 (September 1992): 201–20. http://dx.doi.org/10.1177/0008068319920305.

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Let π1, ... , πk be k independent populations and let Fi ( x)= F( x - θi) be the absolutely continuous cumulative distribution function (cdf) of the i-th population indexed by the location parameter θi; i=1,,.... k. A class of subset selection procedures based on sub-sample extrema for unequal sample sizes is proposed for the problem of selecting a subset from ( π1, .... πk) which contains the population with largest location parameter. The proposed subset selection procedures are then compared with the subset selection procedures of Hsu (1981) in the sense of Pitman ARE (asymptotic relative efficiency). It is shown that these procedures can approximately be implemented with the help of existing tables and sample size sufficient for their implementation, based on simulation results, is discussed. AMS (1980) Subject Classification: Primary 62F07; Secondary 62H10

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Kim, Jae Kwang, and Kosuke Morikawa. "An Empirical Likelihood Approach to Reduce Selection Bias in Voluntary Samples." Calcutta Statistical Association Bulletin 75, no. 1 (May 2023): 8–27. http://dx.doi.org/10.1177/00080683231186488.

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How to construct the pseudo-weights in voluntary samples is an important practical problem in survey sampling. The problem is quite challenging when the sampling mechanism for the voluntary sample is allowed to be non-ignorable. Under the assumption that the sample participation model is correctly specified, we can compute a consistent estimator of the model parameter and construct the propensity score estimator of the population mean. We propose using the empirical likelihood method to construct the final weights for voluntary samples by incorporating the bias calibration constraints and the benchmarking constraints. Linearization variance estimation of the proposed method is developed. A toy example is also presented to illustrate the idea and the computational details. A limited simulation study is also performed to evaluate the performance of the proposed methods. AMS subject classification: 62D10, 63D05

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Ayu, Fitri. "Kontroler Alarm Rumah VIA SMS Menggunakan Microcontroller AT89S51 dan Handphone Nokia 6210 didukung Oleh Basic Compiler." Jurnal Intra Tech 1, no. 1 (April 10, 2017): 12–21. http://dx.doi.org/10.37030/jit.v1i1.4.

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A house security system is one of the applications of microcontroller chip benefit. This system can reduce the usage of human power to control a house security eventhough the owner is not in the house. This research was done by designing, creating and implementing all system components. The components are microcontroller as a process controller, basic compiler as programming language, limit switch as input device to system, barlet and buzzer whitch are used as SMS sending process activation, and the last is Nokia 6210 used for sending SMS to the house owner’s phone. This research showed that the tools function properly and can be developed in larger scale. This research is aimed to develop Microcontroller AT89S51 application as a house security controller.

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Vianita, Etna, Heru Tjahjana, and Titi Udjiani. "PERAMALAN PRODUKSI KARET INDONESIA MENGGUNAKAN FUZZY TIME SERIES DUA FAKTOR ORDE TINGGI RELASI PANJANG BERDASARKAN RASIO INTERVAL." Majalah Ilmiah Matematika dan Statistika 22, no. 1 (March 18, 2022): 50. http://dx.doi.org/10.19184/mims.v22i1.30414.

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The fuzzy time series method for forecasting continues to develop over time. This research discusses fuzzy time series, which considers two factors for high order using interval partitioning based on interval ratio with long relation construction for getting different accuracy in forecasting between combination method and existing method. The first step is the formation of the universe of speech. Second, divide the universe of discourse into several intervals using interval ratios. Third, fuzzification. Fourth, build fuzzy logic relations and fuzzy logic relation groups, and fifth, defuzzification. The previous methods would be compared with the fuzzy logic relation construction result. The simulation used Indonesian rubber production data for 2000-2020. The results and errors were tested using the average forecasting error rate (AFER). AFER value of the forecasting method is 1.863% obtained.Keywords: Forecasting, fuzzy time series, long relationMSC2020: 62M10, 62M20, 62M86, 03E72

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Wahyu Widayat, Eko, and Nurhasna Rahmawati. "PENGARUH KUALITAS PRODUK, HARGA, PROMOSI DAN CITRA MEREK TERHADAP KEPUTUSAN PEMBELIAN TEH CELUP SARIWANGI DI KOTA BOGOR." Jurnal GICI Jurnal Keuangan dan Bisnis 15, no. 2 (December 30, 2023): 120–28. http://dx.doi.org/10.58890/jkb.v15i2.193.

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Abstract:

Teh adalah salah satu minuman penyegar yang sangat populer di kalangan masyarakat Indonesia bahkan dunia. Penelitian ini bertujuan untuk menganalisis pengaruh kualitas produk, harga, promosi dan citra merek terhadap keputusan pembelian Teh Celup Sariwangi di Kota Bogor. Hasil uji regresi menunjukkan bahwa 62,10% keputusan pembelian dijelaskan oleh kualitas produk, harga, promosi dan citra merek sedangkan sisanya 37,90% dijelaskan oleh faktor lain yang tidak diteliti. Hasil uji F menunjukan bahwa secara simultan kualitas produk, harga, promosi dan citra merek secara serempak berpengaruh positif dan signifikan terhadap keputusan pembelian. Secara parsial, hasil uji t menunjukkan bahwa variabel kualitas produk, promosi dan citra merek berpengaruh positif dan signifikan terhadap keputusan pembelian produk Teh Celup Sariwangi di Kota Bogor. Adapun variabel harga tidak berpengaruh positif dan signifikan. Variabel yang dominan mempengaruhi keputusan pembelian Teh Celup Sariwangi di Kota Bogor adalah kualitas produk.

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