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  • Oxford : Oxford University Press  (1)
  • New York, NY : Humana Press
  • Montréal : McGill-Queen's University Press
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    Call number: 9780191868092 (ebook)
    Description / Table of Contents: Population genetics is an inherently quantitative discipline, yet often focuses upon abstract concepts which can be difficult to conceptualize and appropriately visualize at first glance. This book focuses on applying the hugely popular R software specifically to the field, offering an accessible, step-by-step guide to tackling the challenges of achieving effective data interpretation and summary. The authors adopt an engaging "learning by doing" approach that willenable readers to develop an intuitive understanding of key population genetics concepts through the use of R. Beginning with the groundwork of installing and using R (including CRAN and the RStudio IDE), the book works through the use of basic commands for data manipulation. An introduction to basic terminology in population genetics follows, clearly explaining how these fundamental assumptions can provide insights and form basic inferences for real populations. The focus then moves onto statistical tests including writing and running algorithms as functions. Subsequent chapters examine geneticvariation, adaptation, and natural selection as well as different approaches to population differences. Importantly, the accompanying set of practical exercises demonstrate that implementing all of these concepts via programming can actually help greatly in understanding them, even if they may at first seeminsurmountably complex. Finally, this accessible textbook points the way forwards to other key concepts that are important to understanding modern day population genetics research (in particular coalescent theory) and offers the reader useful launching points for further learning. Population Genetics with R is aimed at students ranging from undergraduate to postgraduate level in the fields of population genetics, ecology, evolutionary biology, conservation genetics, computational biology, and biostatistics.
    Type of Medium: 12
    Pages: 1 Online-Ressource (viii, 209 Seiten) , Illustrationen
    ISBN: 978-0-19-882953-9 (hbk) , 978-0-19-882954-6 (pbk) , 978-0-19-186809-2 (ebook) , 9780191868092 (ebook)
    Language: English
    Note: Contents Acknowledgements 1 Learning through Programming 1.1 Introduction 1.2 Organization 2 Downloading and Installing R 2.1 Introduction to R 2.2 Working directories and saving 3 Basic Commands in R 3.1 Input and calculations 3.2 Assigning objects to variables 3.3 Parts of a function 3.4 Classes of objects 3.5 Matrices 4 Allele and Genotype Frequencies 4.1 Introduction to population genetics 4.2 Simulating genotypes 4.3 Calculating allele frequencies from datasets 5 Statistical Tests and Algorithms 5.1 Deviation from expectations 5.2 Extending to more than two alleles 5.3 Blood types and allele frequencies 5.4 Expectation Maximization algorithm 6 Genetic Variation 6.1 Genetic drift and evolutionary sampling 6.2 Variation over time 6.3 Quantifying variation 6.4 Equilibrium heterozygosity and effective population size 6.5 Overlapping generations 7 Adaptation and Natural Selection 7.1 Positive selection 7.2 Adaptation, diploidy and dominance 8 Population Differences 8.1 Quantifying divergence 8.2 Relative likelihood of the population of origin 8.3 DNA fingerprinting 9 Pointing the Way to Additional Topics 9.1 The coalescent 9.2 Tests of neutrality 9.3 Linkage disequilibrium 9.4 Deleterious alleles 9.5 Fixation probability under selection and drift 9.6 Selfish genes 9.7 Broadening the models 9.8 R packages References Index
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