Academic literature on the topic 'Variance exprimée'
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Journal articles on the topic "Variance exprimée":
Hétu, Jacques, and Réjean Beaucage. "Variations et variantes." Circuit 15, no. 1 (February 9, 2010): 19–26. http://dx.doi.org/10.7202/902338ar.
DULPHY, J. P., W. MARTIN-ROSSET, and J. P. JOUANY. "Ingestion et digestion comparées des fourrages chez différentes espèces d’herbivores." INRAE Productions Animales 8, no. 4 (October 23, 1995): 293–307. http://dx.doi.org/10.20870/productions-animales.1995.8.4.4141.
Zydor, Michał. "La Variante infinitésimale de la formule des traces de Jacquet-Rallis pour les groupes unitaires." Canadian Journal of Mathematics 68, no. 6 (December 1, 2016): 1382–435. http://dx.doi.org/10.4153/cjm-2015-054-9.
Altintas, A., S. Celik, and M. Z. Cevik. "Relations saisonnières entre l'activité de la monoamine-oxydase sérique et la cupréimie chez le bouc Angora (Capra hircus)." Revue d’élevage et de médecine vétérinaire des pays tropicaux 51, no. 1 (January 1, 1998): 75–79. http://dx.doi.org/10.19182/remvt.9656.
Detry, Laurette. "Sophie ou les balbutiements de la naissance d’une vie psychique." Cahiers de l'enfance et de l'adolescence 10, no. 2 (February 12, 2024): 109–23. http://dx.doi.org/10.3917/cead.010.0109.
Angeli, Nadine, Daniel Gerdeaux, and Jean Guillard. "Analyse géostatistique des répartitions horizontales printanières de la biomasse zooplanctonique et des variables physico-chimiques dans un petit lac." Revue des sciences de l'eau 19, no. 4 (January 17, 2007): 285–94. http://dx.doi.org/10.7202/014416ar.
Monnier, Alain. "Projets de fécondité et fécondité effective. Une enquête longitudinale : 1974, 1976, 1979." Population Vol. 42, no. 6 (June 1, 1987): 819–42. http://dx.doi.org/10.3917/popu.p1987.42n6.0842.
Lewy, Jennifer, Mireille Cyr2, and Jacinthe Dion. "Soutien des intervieweurs et collaboration des enfants lors des entrevues d’enquête1." Criminologie 50, no. 1 (May 9, 2017): 11–33. http://dx.doi.org/10.7202/1039794ar.
Gendron, Michel, and Christian Genest. "La perception du risque de titres financiers : l’importance relative et l’influence de certains facteurs de risque." L'Actualité économique 69, no. 1 (March 23, 2009): 142–70. http://dx.doi.org/10.7202/602100ar.
Wagneur, Edouard. "Budget et systèmes mixtes de demande." Articles 61, no. 4 (March 23, 2009): 489–506. http://dx.doi.org/10.7202/601349ar.
Dissertations / Theses on the topic "Variance exprimée":
Wu, Qicheng. "Développement de nouvelles méthodologies chimiométriques pour mieux prendre en compte les spécificités des données spectrales LIBS." Electronic Thesis or Diss., Université de Lille (2022-....), 2022. http://www.theses.fr/2022ULILR085.
Today, Laser-Induced Breakdown Spectroscopy (LIBS) imaging is in full change. Indeed, always more stable instrumentations are developed, which significantly increases the signal quality and naturally the analytical potential of the technique for the characterization of complex and heterogeneous samples at the micro-scale level. Obviously, other intrinsic features such as a limit of detection in the order of ppm, a high field of view and high acquisition rate make it one of the most complete chemical imaging techniques to date. It is thus possible in these conditions to acquire several million spectra from one single sample in just hours. For sure, different chemometric approaches allow us today to propose a valorization of the acquired spectral data at both qualitative and quantitative levels. From a fundamental point of view, the main characteristics of the plasma, such as its temperature and electron density, have a significant impact on the intensities of the emission lines and even on the presence of some of them over a wide range of wavelengths. Of course, theoretical models could allow us, in some way and under very strict conditions, to correct the emission line intensities but this would remain a complex and very time-consuming task. In fact, we could only consider this strategy for a few spectra but not for hundreds of thousands or even millions of spectra of a LIBS hyperspectral imaging dataset available today. This is the first problem we have been working on in this thesis with the aim to develop a robust predictive model to quantity an element from a LIBS spectrum independently of the plasma temperature and electron density. The second problem we addressed during this thesis is related to the intrinsec structure of a hyperspectral imaging dataset. Indeed, we always want to extract information on both major and minor compounds and even traces potentially contained in the hyperspectral data cube we have just acquired. However, minor compounds and traces are often present on a small number of pixels representing a very small variance in the spectral data set. Unfortunately, the majority of chemometric algorithms exploiting the concept of expressed variance do not (or hardly) allow the detection of these compounds, especially when the signal-to-noise ratio is limited. It is therefore the second purpose of this thesis to introduce an algorithm allowing to give all compounds a chance to be detected regardless of their concentration
Marot, Guillemette. "Modélisation statistique pour la recherche de gènes différentiellement exprimés: modèles de variance-covariance, analyse séquentielle et méta-analyse." Phd thesis, AgroParisTech, 2009. http://tel.archives-ouvertes.fr/tel-00458988.
Marot-Briend, Guillemette. "Modélisation statistique pour la recherche de gènes différentiellement exprimés : modèles de variance-covariance, analyse séquentielle et méta-analyse." Paris, AgroParisTech, 2009. http://pastel.paristech.org/5473/01/phDreportGMarot.pdf.
Cherdoud-Chelouah, Sonia. "Rôle fonctionnel de la protéine de latence EBNA-LP exprimée dans les cellules de lymphome de Burkitt infectées par la souche P3HR1 du virus d’Epstein-Barr." Thesis, Paris 11, 2012. http://www.theses.fr/2012PA11T023.
Our group has previously shown that Burkitt’s lymphoma (BL) cells infected by the P3HR1 variant of Epstein-Barr virus (EBV) are more resistant to apoptotsis than EBV (-) BL cells or cells infected by wild-type EBV. The genome of the P3HR1 variant carries a deletion responsible for the expression of a truncated form of EBNA-LP (tEBNA-LP). We studied the functional role of tEBNA-LP in BL cells infected by the P3HR1 variant. A proteomic study allow us to identify cellular and viral partners of tEBNA-LP. These results confirmed the interaction between tEBNA-LP and PP2A, already established by our group, and showed that tEBNA-LP can form complexes with other proteins involved in many cellular processes including apoptosis and regulation of transcription. We have then demonstrated by a transcriptomic study, the transcriptional regulatory role of both forms of EBNA-LP stably expressed in EBV(-) BL cell lines. Indeed, we showed that both forms of EBNA-LP can regulate the expression of cellular genes independently of viral context. Some of these genes are common to both forms of EBNA-LP, others are specific to each form. We found that Y1Y2 domaine of EBNA-LP is essential to overexpression of the cellular gene encoding ID1 protein which is involved in LMP1 stabilization and cellular mmortalization. We also noted that some genes are similarly regulated in the presence of EBNA-LP alone or in the presence of viral genome. Finally, to better undertand the mecanisms of resistance to apoptosis in BL cell lines infected by the P3HR1 variant we extended our transcriptomic analysis to cell lines treated or not with an apoptosis inducer, cycloheximide. Our preliminary results show that TNF receptors signaling pathways (TNFR1 and 2) are rapidly and strongly induced in sensitive cell lines while being weakly and belatedly induced in the resistant cell lines. This study also shows that the JNK signaling pathway is probably activated very early in the sensitive cells in contrast to resistant cell lines
GUPTA, NEETU. "Etude des hypermutations somatiques des genes v des immunoglobulines i. Recherche de facteurs induits au cours du processus par soustraction d'adnc. Identification d'un gene specifiquement exprime par les lymphocytes b des centres germinatifs. Ii. Implication du processus dans l'etiologie du deficit immunitaire commun variable." Paris 7, 1999. http://www.theses.fr/1999PA077110.
Conference papers on the topic "Variance exprimée":
Silva, Júlio César Riccó Plácido, and Maria Do Rosário Gonçalves Mira. "Termografia: ferramenta auxiliar na pesquisa de materiais e no design de produtos." In Systems & Design: Beyond Processes and Thinking. Valencia: Universitat Politècnica València, 2016. http://dx.doi.org/10.4995/ifdp.2016.3651.