Books on the topic 'Log book variables'
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1
López Naranjo, José Isabel, and Rodolfo Osorio Osorio. Análisis de regresión aplicado. Universidad Juárez Autónoma de Tabasco, 2018. http://dx.doi.org/10.19136/book.93.
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El análisis de regresión es una herramienta de la inferencia estadística aplicada que permite ajustar conjunto de datos proveniente de trabajos de investigación con propósitos de predicción. En esta obra se trata una diversidad de técnicas útiles en esta tarea y se proporcionan las estrategias que permiten la selección de las variables, el tamaño de muestra y el mejor modelo; aquél que explique de mejor manera la relación entre las variables estudiadas. Esta técnica es aplicable en cualquier área de las ciencias: agropecuarias, biológica, económica, salud, genética, matemáticas, del comportamiento humano, etc., donde los objetivos incluyan predicción de resultados futuros de la variable respuesta (dependiente).
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Segundo Curso sobre Elementos Básicos del Análisis Matemático. UJAT, 2021. http://dx.doi.org/10.19136/book.189.
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Este libro puede servir como guía en la impartición de un curso semestral de Análisis Matemático para estudiantes universitarios con conocimientos básicos sobre cálculo diferencial e integral de Riemann para funciones de una variable, así como de convergencia y continuidad de espacios métricos. El libro consiste de cuatro capítulos, en los cuales se abordan los siguientes temas: integración de Riemann-Stieltjes, convergencia puntual y uniforme de sucesiones y series de funciones, teoría de diferenciación e integración de Riemann para funciones de varias variables e integración impropia de Riemann. En todos estos temas se dan demostraciones muy detalladas de los resultados y se presentan varios ejemplos que coadyuvan a la comprensión y uso de los conceptos y resultados presentados. Cada sección contiene una lista de ejercicios que pueden ser resueltos con sólo el material previo y el de la sección correspondiente. Tales listas contienen ejercicios que se resuelven o demuestran en forma más o menos directa de las definiciones y teoremas vistos, y algunos no en forma tan directa, pero se presentan sugerencias para algunos de los más intricados. Estas listas de ejercicios son además un complemento de la teoría vista en las secciones, pues varios de ellos corresponden a demostrar algunas proposiciones o corolarios que se desprenden de algunos teoremas importantes; así como a demostrar algunas afirmaciones en las pruebas de estos teoremas, lo cual induce al estudiante a realizar un análisis cuidadoso de tales demostraciones y adquirir una mejor comprensión de tales teoremas.
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Pérez Castro, Judith. Una mirada multidisciplinaria sobre la formación ambiental y los desastres. Universidad Juárez Autónoma de Tabasco, 2013. http://dx.doi.org/10.19136/book.61.
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Los desastres son eventos extraordinarios en los que suelen intervenir múltiples variables, ya sean naturales o de origen antrópico, en diferentes grados y combinaciones. Sus efectos adversos se manifiestan en el corto, mediano y largo plazos en diversos contextos: económicos, geográficos, políticos, humanos, sociales y culturales. Para enfrentar y gestionar las consecuencias de los fenómenos catastróficos es necesario dotar a los sujetos de una formación en saberes, habilidades y valores, principalmente en las primeras etapas de su vida. En este capítulo exponemos parte de una investigación que tuvo como objetivo identificar los conocimientos que en materia de prevención y manejo de desastres son transmitidos en el medio escolar.
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Ortiz Lazcano, Asael. Cincuenta años de divorcio en Hidalgo. Universidad Autónoma del Estado de Hidalgo, 2012. http://dx.doi.org/10.29057/books.34.
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El interés de este trabajo es analizar de forma cuantitativa e histórica, la evolución del divorcio en el estado de Hidalgo durante los últimos 50 años (1950-2000), apoyándose para ello en aspectos demográficos, socioeconómicos, jurídicos e históricos1. Esta revisión se hace de forma directa mediante el análisis de variables que de acuerdo a diversas investigaciones, han modificado radicalmente a la familia, a las relaciones interpersonales y de pareja en el último medio siglo. Estas variables son la edad al matrimonio, el nivel de escolaridad (principalmente en las mujeres), el trabajo asalariado femenino, la baja en la fecundidad y la edad de solicitud del divorcio, entre otras (Kiernan, 1986; Ahrons, 1987; Glick, 1989; Morgan, 1990; Bergman, 1990; De Oliveira y García; 1993; Jelin, 1991, 1994; García y De Oliveira, 1998; Quilodrán, 2001).
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Ortiz Lazcano, Asael, and Joselito Medina Marín, eds. México 2020: la pandemia del Sars-Cov-2 y sus diferentes tasas de intensidad. Algunas características sociodemográficas. Universidad Autónoma del Estado de Hidalgo, 2021. http://dx.doi.org/10.29057/books.12.
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La presente investigación tiene como finalidad analizar el impacto que ha tenido la pandemia del Sars-Cov-2 en las defunciones de mexicanos, especialmente aquellos que presentan ciertas comorbilidades, y la hipótesis que se manejó dentro de la presente investigación, plantea que son estas personas las que tienen una mayor probabilidad de complicación y de fallecimiento ante un contagio del Sars-Cov-2. La pandemia del COVID19 ha generado tasas de mortalidad diferenciando por sexo, edad, entre otras variables demográficas; sin embargo los recursos de atención médica, el distanciamiento social y las políticas de salud han causado grandes variaciones en el alcance y la dinámica de la pandemia en todas las naciones. Por ello se ha hecho difícil estimar la prevalencia, la tasa de mortalidad por infección y otros factores importantes para los proveedores de atención y los encargados de formular políticas públicas y de salud. Rahmandad, Lim y Sterman, estimaron la propagación a nivel mundial del COVID-19, para ello utilizaron los datos de 84 países, realizando pruebas confiables que incluyen 4.75 mil millones de personas y desarrollaron un modelo epidemiológico dinámico que integra datos sobre casos, muertes, exceso de mortalidad y otros factores para estimar cómo la transmisión asintomática, la agudeza de la enfermedad, la hospitalización y las respuestas conductuales y políticas influyen la prevalencia del COVID19. Para los países seleccionados ellos estimaron casos y defunciones hasta el 18 de junio del presente año; estimaron en 11.8 la tasa de mortalidad por infección y un error en la estadística de 1.48 veces los informes oficiales respectivamente. Afirman que en todas las naciones permanecen muy por debajo del nivel necesario para la inmunidad colectiva. También concluyeron que se hubiera alertado al público antes, con ellos se hubieran reducido los contactos y se podrían haber evitado 35.3 millones de casos y 197 mil muertes. Sin embargo, los resultados futuros dependen menos de las pruebas y más de la voluntad de las comunidades y los gobiernos de reducir la transmisión (Rahmandad, Lim y Sterman, 2020).
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Merlevède, Florence, Magda Peligrad, and Sergey Utev. Functional Gaussian Approximation for Dependent Structures. Oxford University Press, 2019. http://dx.doi.org/10.1093/oso/9780198826941.001.0001.
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This book has its origin in the need for developing and analyzing mathematical models for phenomena that evolve in time and influence each another, and aims at a better understanding of the structure and asymptotic behavior of stochastic processes. This monograph has double scope. First, to present tools for dealing with dependent structures directed toward obtaining normal approximations. Second, to apply the normal approximations presented in the book to various examples. The main tools consist of inequalities for dependent sequences of random variables, leading to limit theorems, including the functional central limit theorem (CLT) and functional moderate deviation principle (MDP). The results will point out large classes of dependent random variables which satisfy invariance principles, making possible the statistical study of data coming from stochastic processes both with short and long memory. Over the course of the book different types of dependence structures are considered, ranging from the traditional mixing structures to martingale-like structures and to weakly negatively dependent structures, which link the notion of mixing to the notions of association and negative dependence. Several applications have been carefully selected to exhibit the importance of the theoretical results. They include random walks in random scenery and determinantal processes. In addition, due to their importance in analyzing new data in economics, linear processes with dependent innovations will also be considered and analyzed.
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Anderson, Michael, and Corinne Roughley. Scotland's Populations from the 1850s to Today. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198805830.001.0001.
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The last book-length study of Scottish population history was published in 1977, and it stopped in 1939. This book uses much hitherto unexploited material to throw new light on many topics. It sets current and recent population changes in their long-term context, exploring how the legacies of past demographic change have combined with a history of weak industrial investment, employment insecurity, deprivation and poor living conditions to produce the population profiles and changes of Scotland today. A major argument of this book is that Scotland has had multiple population histories, with great variability in population change, migration patterns, nuptiality, fertility, and mortality, and that these can be directly linked to its wide diversity of topography, climate and natural resources, which are in turn significantly linked to the many differences in local agrarian systems, settlement patterns and housing, transport accessibility, and local industries and other employments. This diversity and these linkages are explored throughout the book. However, the book also shows that, on all the major demographic variables, there have been features that stand out as making Scotland different both from England and Wales and from other parts of Europe. Emigration was higher, nuptiality lower, marital fertility higher until the 1980s, and mortality persistently higher, especially in the West Central Belt of the country; the only exception, in a comparative context, was low infant mortality in the later nineteenth century. The reasons behind these differences are extensively explored.
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Bergman, Marcelo. Trends and Patterns in Latin American Criminality. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780190608774.003.0002.
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This chapter presents a comprehensive evaluation of Latin American trends in violent and property crime over the past twenty-five to thirty years, displays short and long time series for different countries, and describes various types of crimes in the region. Different data sources depict the clear upward trend in criminality and country differences in the intensity of crime. This chapter also discusses the merits of transcending homicide data to fully assess the social transformations occurring in the region. Finally, it describes the dependent variable of this book.
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Capussela, Andrea Lorenzo. Conclusions. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198796992.003.0010.
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The main conclusions of the book are four. Without the credible prospect of an equilibrium shift even well-designed reforms of Italy’s political or economic institutions are likely to yield limited results, because they shall be undermined by the constraints posed by the extant equilibrium. The country’s political and economic elites are unlikely to be either willing or able to promote an equilibrium shift, however, by reason of those same constraints. Two consequences follow. First, absent an external shock the country is likely to remain on the extant equilibrium for as long as its material and moral consequences shall be tolerable. Second, a strategy to reverse Italy’s decline should focus on the variable that is freer from the grip of that equilibrium, namely ideas.
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Kaufman, J. Gilbert, and Elwin L. Rooy. Aluminum Alloy Castings. ASM International, 2004. http://dx.doi.org/10.31399/asm.tb.aacppa.9781627083355.
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Aluminum Alloy Castings: Properties, Processes and Applications is a practical guide to the process, structure, property relationships associated with aluminum alloy castings and casting processes. It covers a wide range of casting methods, including variations of sand casting, permanent mold casting, and pressure die casting, showing how key process variables affect the microstructure, properties, and performance of cast aluminum parts. Other chapters provide similar information on the effects of alloying and heat treating and the influence and control of porosity and inclusions. A significant portion of the book contains curated collections of property and performance data, including many previously unpublished aging response curves, growth curves, and fatigue curves; tensile properties at high and low temperatures and at room temperature after high-temperature exposure; the results of creep rupture tests conducted at temperatures from 212 to 600 °F (100 to 315 °C); and stress-strain curves obtained from casting alloys in various tempers under tensile or compressive loads. The book also discusses the factors that contribute to corrosion and fracture resistance and includes test specimen drawings as well as a glossary of terms. For information on the print version, ISBN 978-0-87170-803-8, follow this link.
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Bove, Vincenzo, Chiara Ruffa, and Andrea Ruggeri. Composing Peace. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780198790655.001.0001.
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The book explores how diversity in United Nations’ peace mission composition affects peacekeeping effectiveness. It identifies four key dimensions of composition: Blue Helmets’ field diversity, top mission leadership diversity (between Force Commander and Special Representative of the Secretary General), vertical leadership distance (Leadership-Blue Helmets), and horizontal distance with the local population. Each dimension of diversity of mission is measured as linguistic, geographical, and religious distance. Our book conceptualizes original mechanisms—i. resolve commitment; ii. informative trust; iii. informative communicability; iv. skilled persuasion—through which diversity can shape mission effectiveness such as trust, communicability, deterrence, and persuasion. It then evaluates each dimension separately through three pathway case studies—the UN missions in Lebanon, in Mali, and in the Central African Republic—and quantitative analyses based on a global dataset of peacekeeping operations deployed since the end of the Cold War. The book finds that diversity of Blue Helmets and diversity of top leadership may increase the mission’s capacity to reduce battle-field violence and civilian victimization. At the same time, the effects of diversity are contextual and contingent. In fact, looking at the relation between peacekeepers and Force Commanders, proximity between them is generally associated with better performances. Furthermore, homogeneity between local populations and peacekeepers, or low distance between them, is also related to low levels of hostility and casualties. This book crucially demonstrates why diversity of mission composition is a key variable to consider when trying to enhance peacekeeping effectiveness.
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Sepúlveda, Jovanny. Colombia ante su armonización contable internacional a partir del año 2018: un estudio retrospectivo y prospectivo del modelo NIIF (IFRS). CUA Medellín, 2018. http://dx.doi.org/10.52441/ciadcon201802.
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Este libro es producto de los resultados investigativos obtenidos a lo largo de los últimos cinco años y en especial con el apoyo de la Corporación Universitaria Americana durante los últimos dos años. El trabajo presentado aquí se combina con la experiencia de investigaciones documentales y participaciones de los autores como ponentes en varios congresos internacionales en Latinoamérica, específicamente en: Brasil, Colombia, Costa Rica, Cuba, Chile, México, Perú y Venezuela. Esto ha permitido intercambiar interesantes puntos de vista con colegas expertos con el tema de la relación del Modelo Financiero y el Modelo NIIF (Normas Internacionales de Información Financiera), que se relacionan a su vez con el tema de la Armonización Contable Internacional (ACI). Nuestra perspectiva de este trabajo sobre el Modelo NIIF presenta un nuevo enfoque que pretende interesar no sólo a contadores. Para ello el desarrollo del Modelo NIIF propuesto aquí pretende “romper” con la figura del “Book Keeping” o “tenedor de libros”, tradición clásica del contador público del pasado, donde su énfasis esta únicamente enfocada en el registro y seguimiento normativo de reglas y no principios contables para efectos fiscales y no de toma de decisiones. Proponemos en esta obra la reflexión desde un enfoque de las finanzas sobre el nuevo Modelo Contable NIIF, en cuanto a que toda transacción u operación comercial, económica o financiera de una entidad debe: 1. Reconocerse, 2. Medirse, 3. Presentarse y 4. Revelarse. Y esto con base al nuevo modelo de negocio y rediseño de los estados financieros básicos y secundarios de las entidades propuesto por el IASB (International Accounting Standard Board) para cumplir con los actuales objetivos financieros de la empresa moderna, que según el modelo marginalista (modelos de maximizaciones, minimizaciones y optimizaciones) en el que descansa preponderadamente hoy nuestra formación y percepción sobre el éxito empresarial en términos financieros, está basado en la teoría del valor y en sus métodos cuantitativos para evaluar las inversiones reales y financieras. Para ello el instrumento cuantitativo fundamentado en las matemáticas financieras, maneja básicamente cuatro variables: los valores iniciales o presentes, los valores finales o futuros, el factor tiempo y las diferentes tasas de interés que aplica una entidad como costo de oportunidad.
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Vandrei, Martha. Queen Boudica and Historical Culture in Britain. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198816720.001.0001.
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This innovative and distinctive book takes a long chronological view and a wide-ranging, interdisciplinary approach. It is the definitive work on the posthumous reputation of the ever-popular warrior queen of the Iceni, Queen Boadicea/Boudica. It explores her presence in British historical discourse, from the early modern rediscovery of the works of Tacitus to the first historical films of the early twentieth century. In doing so, the book seeks to demonstrate the continuity and persistence of historical ideas across time and throughout a variety of media. This focus on continuity leads into an examination of the nature of history as a cultural phenomenon and the implications this has for our own conceptions of history and its role in culture more generally. While providing contemporary contextual readings of Boudica’s representations, this book also explores the unique nature of historical ideas as durable cultural phenomena, articulated by very different individuals over time, all of whom were nevertheless engaged in the creative process of making history. Thus this book presents a challenge to the axioms of cultural history, new historicism, and other mainstays of twentieth- and twenty-first-century historical scholarship. It shows how, long before professional historians sought to monopolize historical practice, audiences encountered visions of past ages created by antiquaries, playwrights, poets, novelists, and artists, all of whom engaged with, articulated, and even defined the meaning of ‘historical truth’. This book argues that these individual depictions, variable audience reactions, and the abiding notion of history as truth constitute the substance of historical culture.
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Mukherjee, Anit. The Absent Dialogue. Oxford University Press, 2019. http://dx.doi.org/10.1093/oso/9780190905903.001.0001.
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Civilian control over the military is widely hailed as among the biggest successes of India’s democracy. This is a rarity, especially among postcolonial states, and is rightfully celebrated. But has this come at a cost? The Absent Dialogue argues that the pattern of civil–military relations in India has hampered its military effectiveness. Indian politicians and bureaucrats have long been content with the formal and ritualistic exercise of civilian control, while the military continues to operate in institutional silos, with little substantive engagement between the two. In making this claim, the book closely examines the variables most associated with military effectiveness—weapons procurement, jointness (the ability of separate military services to operate together), officer education, promotion policies, and defense planning. India’s pattern of civil–military relations—best characterized as an absent dialogue—adversely affects each of these processes. Theoretically, the book adopts the “unequal dialogue” framework proposed by Eliot Cohen but also argues that, under some conditions, patterns of civil–military relations may more closely resemble an “absent dialogue.” Informed by more than a hundred and fifty interviews and recently available archival material, the book represents a deep dive into understanding the power and the limitations of the Indian military. It sheds new light on India’s military history and is essential reading for understanding contemporary civil–military relations and recurring problems therein. While the book focuses on India, it also highlights the importance of civilian expertise and institutional design in enhancing civilian control and military effectiveness in other democracies.
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Gray, Hazel. Turbulence and Order in Economic Development. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198714644.001.0001.
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The terms of debate on the role of institutions in economic development are changing. Stable market institutions, in particular secure private property rights and democratically accountable governments that uphold the rule of law, are widely seen to be a prerequisite for economic transformation in low-income countries. Yet over the last thirty years, economic growth and structural transformation has surged forward in a range of countries where market and state institutions have differed from these ideals, as well as from each other. This book studies the role of the state in economic transformation in two such countries, Tanzania and Vietnam. These were two of the poorest countries in the world in the early 1980s but, over the last thirty years, both have experienced significant changes in the pace and character of economic development. While both countries experienced faster rates of GDP growth, their paths of economic transformation were very different. Vietnam experienced rapid manufacturing growth and poverty reduction while Tanzania’s path of economic change was characterized by the rise of mining and a much slower pace of poverty reduction. Employing a political settlements approach, this book argues that their paths of economic transformation were mediated by the lasting influence of differences in the institutions and distributions of power that had been forged during the socialist period. The comparison generates new insights into the variable relationship between political order and economic outcomes.
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Price, Elizabeth J., and Anwar R. Tappuni, eds. Oxford Textbook of Sjögren's Syndrome. Oxford University Press, 2021. http://dx.doi.org/10.1093/med/9780198806684.001.0001.
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The Oxford Textbook of Sjögren’s Syndrome is an authoritative textbook, rich with valuable illustrations and figures, providing a practical guide to diagnosing and managing all aspects of this condition. Sjögren’s syndrome is a chronic, immune-mediated condition typically presenting in women in their fifth or sixth decade. With increased awareness and improvement in diagnostic tests, younger women and occasionally men are now being diagnosed with this condition. Frequently, Sjögren’s syndrome occurs in association with other autoimmune diseases, usually rheumatoid arthritis, systemic lupus erythematosus, or scleroderma. The hallmark of this condition is dryness of the eyes and mouth, but many patients have systemic effects that can be debilitating, including fatigue, peripheral neuropathy, and lung damage. It has potentially serious long-term complications, including a higher risk of developing lymphoma and foetal congenital heart block. Diagnosis of the condition can be challenging as the presenting symptoms are variable. Management of the condition can be complex as the course of the disease is unpredictable and the available therapy is mainly symptomatic, with no known cure as yet. Experts in the condition from around the world have contributed to this book to provide the most up-to-date information on pathophysiology, classification criteria, diagnostic tests, systemic manifestations of the disease, and emerging therapeutic options. The publication of this book coincides with a period of increased interest in Sjögren’s within the scientific, medical, and pharmacological worlds.
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Pryce, Paula. The Monk's Cell. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780190680589.001.0001.
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Based on long-term ethnographic research with Christian monastics in the United States and a dispersed network of interdenominational non-monastic Christian contemplatives, The Monk’s Cell shows how religious practitioners combined social action and intentional living with intellectual study and inter-religious practices to modify their ways of knowing, sensing, and experiencing the world. Paula Pryce developed innovative “intersubjective” fieldwork methods to explore how these opaque, often silent communities practiced a paradoxical combination of formalized ritual and intentional “unknowing” to cultivate a powerful sense of communion in everyday life. Organized by the metaphor of a seeker journeying toward the inner chambers of a monastic chapel, the book explores the fine details of how “communitas” actually occurs, including the relationship of agency and habitual behavior in practitioners’ attempts at transforming consciousness. Depicting the interplay of social diversity and cohesiveness in the unwieldy dynamism of pluralistic society, The Monk’s Cell develops a novel theory of variable knowledge types, including the key role of ambiguity. These American Christians’ ability to fuse so many spheres of knowledge and to live contemplatively challenges the often taken-for-granted segregation of the religious and the secular in the contemporary world. This study contributes to the anthropologies and epistemologies of Christianity, perception, and embodiment. It extends American ethnography by its use of new methods for studying silence, ritual, and performance, and by focusing on a highly educated, professional Euro-American community that is rarely the subject of ethnographic research and is often assumed to be the demographic most likely to reject religion.