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Author: Steven P. Millard
Publisher: Springer Science & Business Media
ISBN: 1461484561
Size: 74.25 MB
Format: PDF, ePub
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This book describes EnvStats, a new comprehensive R package for environmental statistics and the successor to the S-PLUS module EnvironmentalStats for S-PLUS (first released in 1997). EnvStats and R provide an open-source set of powerful functions for performing graphical and statistical analyses of environmental data, bringing major environmental statistical methods found in the literature and regulatory guidance documents into one statistical package, along with an extensive hypertext help system that explains what these methods do, how to use these methods, and where to find them in the environmental statistics literature. EnvStats also includes numerous built-in data sets from regulatory guidance documents and the environmental statistics literature. This book shows how to use EnvStats and R to easily: * graphically display environmental data * plot probability distributions * estimate distribution parameters and construct confidence intervals on the original scale for commonly used distributions such as the lognormal and gamma, as well as do this nonparametrically * estimate and construct confidence intervals for distribution percentiles or do this nonparametrically (e.g., to compare to an environmental protection standard) * perform and plot the results of goodness-of-fit tests * compute optimal Box-Cox data transformations * compute prediction limits and simultaneous prediction limits (e.g., to assess compliance at multiple sites for multiple constituents) * perform nonparametric estimation and test for seasonal trend (even in the presence of correlated observations) * perform power and sample size computations and create companion plots for sampling designs based on confidence intervals, hypothesis tests, prediction intervals, and tolerance intervals * deal with non-detect (censored) data * perform Monte Carlo simulation and probabilistic risk assessment * reproduce specific examples in EPA guidance documents EnvStats combined with other R packages (e.g., for spatial analysis) provides the environmental scientist, statistician, researcher, and technician with tools to “get the job done!”

R For College Mathematics And Statistics

Author: Thomas Pfaff
Publisher: CRC Press
ISBN: 1000000141
Size: 34.47 MB
Format: PDF, Mobi
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R for College Mathematics and Statistics encourages the use of R in mathematics and statistics courses. Instructors are no longer limited to ``nice'' functions in calculus classes. They can require reports and homework with graphs. They can do simulations and experiments. R can be useful for student projects, for creating graphics for teaching, as well as for scholarly work. This book presents ways R, which is freely available, can enhance the teaching of mathematics and statistics. R has the potential to help students learn mathematics due to the need for precision, understanding of symbols and functions, and the logical nature of code. Moreover, the text provides students the opportunity for experimenting with concepts in any mathematics course. Features: Does not require previous experience with R Promotes the use of R in typical mathematics and statistics course work Organized by mathematics topics Utilizes an example-based approach Chapters are largely independent of each other

Recent Studies On Risk Analysis And Statistical Modeling

Author: Teresa Oliveira
Publisher: Springer
ISBN: 3319766058
Size: 44.91 MB
Format: PDF, ePub
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This book provides an overview of the latest developments in the field of risk analysis (RA). Statistical methodologies have long-since been employed as crucial decision support tools in RA. Thus, in the context of this new century, characterized by a variety of daily risks - from security to health risks - the importance of exploring theoretical and applied issues connecting RA and statistical modeling (SM) is self-evident. In addition to discussing the latest methodological advances in these areas, the book explores applications in a broad range of settings, such as medicine, biology, insurance, pharmacology and agriculture, while also fostering applications in newly emerging areas. This book is intended for graduate students as well as quantitative researchers in the area of RA.

Lake Victoria Fisheries Resources

Author: Yunus D. Mgaya
Publisher: Springer
ISBN: 3319696564
Size: 64.33 MB
Format: PDF, Kindle
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This book synthesises the historical trends of the lake fisheries, the lake ecology, biology and biodiversity, socio-economics, stock assessment, aquaculture, fish quality assurance, environmental quality and management of the fisheries resources. The evolution of fisheries in Lake Victoria has undergone dramatic changes over the last few decades, leading to both ecological and socio-economic consequences. The lake has changed from one dominated by haplochromines in the 1950s, to one currently dominated by Nile perch, ‘dagaa’ (Rastrineobola argentea) and Nile tilapia. These changes have mainly been driven by the introduction of the predatory Nile perch in the lake, eutrophication due to increased human activities in the catchment, increased human population growth, overfishing and changes in the global climate system. This work should therefore be a particularly useful reference to fisheries scientists and managers, potential investors, students and other professionals who may be interested in the Lake Victoria fisheries.

1988 89

Author: World Resources Institute and the International Inst
Publisher: Basic Books
ISBN: 9780465092413
Size: 80.99 MB
Format: PDF
View: 5149
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Land Accounts For Europe 1990 2000

Publisher: Office for Official Publications of the European Communities
ISBN: 9789291678884
Size: 54.50 MB
Format: PDF, Docs
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Understanding the implications of changes in land cover and land use is a fundamental part of planning for sustainable development. This report describes the European Environment Agency's environmental accounting system for land cover and land use, developed using the Corine land cover (CLC) data derived from the analysis of remotely sensed satellite images carried out in 1990 and 2000 covering 24 European countries. The land accounts provide assessments of the magnitude of the various types of change and their distribution over the European territory. Built up using the methodology of the UN system of economic environmental accounting (SEEA2003), land cover accounts are connected to other sets of tables which describe the use of the natural resources by the economy.