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Using R for Data Analysis in Social Sciences
Statistical analysis is common in the social sciences, and among the more popular programs is R. This book provides a foundation for undergraduate and graduate students in the social sciences on how to use R to manage, visualize, and analyze data. The focus is on how to address substantive questions with data analysis and replicate published findings.Using R for Data Analysis in Social Sciences adopts a minimalist approach and covers only the most important functions and skills in R to conduct reproducible research. It emphasizes the practical needs of students using R by showing how to import, inspect, and manage data, understand the logic of statistical inference, visualize data and findings via histograms, boxplots, scatterplots, and diagnostic plots, and analyze data using one-sample t-test, difference-of-means test,covariance, correlation, ordinary least squares (OLS) regression, and model assumption diagnostics. It also demonstrates how to replicate the findings in published journal articles and diagnose model assumption violations. Because the book integrates R programming, the logic and steps of statistical inference, and theprocess of empirical social scientific research in a highly accessible and structured fashion, it is appropriate for any introductory course on R, data analysis, and empirical social-scientific research.
R 2,105.89
Using SAS for Econometrics
A supplement such as Using SAS for Econometrics is quite essential for use in a classroom environment, for those attempting to learn SAS, and for quick and useful reference. The SAS documentation comes in many volumes, and several are thousands of pages long. This makes for a very difficult challenge when getting started with SAS. This volume spans several levels of econometrics. It is suitable for undergraduate students who will use “canned” SAS statistical procedures, and for graduate students who will use advanced procedures as well as direct programming in SAS’s matrix language, discussed in chapter appendices. Material within the chapters is accessible to undergraduate and/or Masters students, with appendices to chapters devoted to more advanced materials and matrix programming.
R 3,471.00
International Commodity Market Modelling
Part of a series, this volume comprises a selection of methodology-oriented papers presented at the 25th International Conference of the Applied Econometrics Association on International Commodity Market Modelling which took place at the World Bank, Washington, 1988. Economic and statistical analyses are obviously of great importance in studying commodity markets. A deep knowledge of market-clearing processes, the institutional structures of the industries related to each commodity market whether on the supply or demand side and the statistical methods of data handling for inference purposes are all needed in order to make good sense of the wealth of information on commodity market data. In addition, a technological understanding of the economic processes underlying each market is necessary. The agronomy of crop production, the techniques of crop distribution from harvest to end-use, the contributions of meteorology, the engineering of metallurgy, the engineering of processing factories, the combating of oil spills, the control of pollution and many other technological aspects of the different markets are essential for a good understanding of the forces at work in each case.Also legal and political factors play roles in the markets and require some specialized knowledge of their effects. Almost every market is different and so a specialized technological background is required, but that adds much substance to the research. By fitting together appropriate cross-disciplinary bodies of information in commodity market studies, a high degree of interest and analytical challenge can be attained.
R 3,854.18
Information systems in a management structure
Information technique as a profession is still so young, that few opinions have settled. The influence of the new possibilities in infor mation technique on the functioning of organisations is so little under stood, that important questions like: what is the potential of a com puter in the firm, will management ultimately be replaced by one man-with-a-keyboard, remain unanswered. Many people are convinced that the impact of computers on the way we manage our enterprises will be enormous, but they grope in the dark for qualitative and quantitative measures to describe it. Naturally, at this early point in the development, the present appli cations of the computer appear incidental and offer no basis for a quest into its potential. Moreover, the present descriptions of management structures preclude an exact study of these structures, let alone a quantitative treatment of any influence upon it. In this study a number of exact concepts is developed to describe the typical grouped tasks as they occur in an organisation. These con cepts are characterised by the fact, that the activity of management units can be described comprehensively in terms of data processing. After all, practically everything we do is data processing of some sort. The picture of a management structure as it can be constructed with these concepts is, ignoring the typically human elements like motivation and inspiration, rather dull but it lends itself quite well for conclusions about computer application.
R 1,519.41
Land Use Problems and Conflicts
The causes, consequences and control of land use change have become topics of enormous importance in contemporary society. Not only is urban land use and sprawl a hot-button issue, but issues of rural land use have also been in the headlines. Policy makers and citizens are starting to realize that many environmental and economic issues have the question of land use at their very core.Comprising papers from a conference sponsored by the Northeast Regional Center for Rural Development, Land Use Problems and Conflicts draws together some of the most up-to-date research in this area. Sections are devoted to problems in the United States and Europe, the consequences of such problems, land use-related data and alternative solutions to conflict.With a lineup including some of the best scholarship on this subject to date, this volume will be of use to those studying environmental and land use issues in addition to policy makers and economists.
R 2,813.77
