R/LW1949-package.R

In LW1949: An Automated Approach to Evaluating Dose-Effect Experiments Following Litchfield and Wilcoxon (1949)

#' Automated Litchfield and Wilcoxon (1949) Evaluation of Dose-Effect
#' Experiments
#'
#' \pkg{LW1949} is an automated approach to Litchfield and Wilcoxon's (1949)
#' evaluation of dose-effect experiments.
#' \pkg{LW1949} was first introduced by Adams et al. (\emph{in preparation}).
#'
#' An example of how to use the functions in \pkg{LW1949} is given in this
#' vignette
#' \href{https://rawgit.com/JVAdams/LW1949/master/vignettes/Intro.html}{[link]}.
#' Use \code{\link{dataprep}} to create a data frame with the results of a
#' dose-effect experiment.
#' Use \code{\link{fitLWauto}} and \code{\link{LWestimate}} to
#'   fit dose-effect relations.
#' And use \code{\link{plotDELP}} and \code{\link{plotDE}} to plot the results.
#'
#' \emph{U.S. Geological Survey} (USGS) Computer Program \pkg{LW1949} version
#'   1.1.0
#' Written by Jean V. Adams, USGS - Great Lakes Science Center
#' \href{http://www.glsc.usgs.gov/}{glsc.usgs.gov}, Ann Arbor, Michigan, USA.
#' Written in programming language R (R Core Team, 2017, www.R-project.org),
#' version 3.3.3 (2017-03-06).
#' Run on a PC with Intel(R) Core(TM) I7-4600m CPU, 2.90 GHz processor,
#' 16.0 GB RAM, and Microsoft Windows 7 Enterprise operating system 2009
#' Service Pack 1.
#' Source code is available from Jean V. Adams on GitHub,
#' \href{https://github.com/JVAdams/LW1949}{github.com/JVAdams/LW1949},
#' \emph{jvadams (at) usgs (dot) gov}.
#'
#' \emph{Disclaimer:}  Although this program has been used by the USGS,
#' no warranty, expressed or implied, is made by the USGS or the United States
#' Government as to the accuracy and functioning of the program and related
#' program material nor shall the fact of distribution constitute any such
#' warranty, and no responsibility is assumed by the USGS in connection
#' therewith.
#'
#' @references
#'   Adams, JV, KS Slaght, and MA Boogaard.  2016.
#'     An automated approach to Litchfield and Wilcoxon's evaluation of
#'     dose-effect experiments using the R package LW1949.
#'     Environmental Toxicology and Chemistry 35(12):3058-3061.
#'     \href{https://doi.org/10.1002/etc.3490}{DOI 10.1002/etc.3490}.
#'     Adams, Jean V., Karen S. Slaght, and Michael A. Boogaard.",
#'
#' @references
#'   Litchfield, JT Jr. and F Wilcoxon.  1949.
#'     A simplified method of evaluating dose-effect experiments.
#'     Journal of Pharmacology and Experimental Therapeutics 96(2):99-113.
#'     \href{http://jpet.aspetjournals.org/content/96/2/99.abstract}{[link]}.
#'
#' @name LW1949
#' @docType package
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