#' # About New Edition {-}
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#'
#' Since the first edition of this book in 2017, m
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#' However, the format of the book has changed sig
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#' Three new chapters were added to this book, inc
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#' For all R teachers in the world, this and all f
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#' I hope you enjoy reading this book and, based o
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#' ## Revision 2021 {-}
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#' The book was revised in march 2021, with the fo
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#' - Improved and consistent css template across d
#' - Over 100 end of chapter exercises. The exerci
#' - To help the reader with topics that don't qui
#' - New hardcover format is available at Amazon.
#'
#' All changes are fully reflected in Amazon. Thos
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