\name{darwin} \alias{darwin} \docType{data} \title{ Darwin Data %% ~~ data name/kind ... ~~ } \description{ Darwin's data on a paired experiment for the height of crossed and self bred plants in the same pot. See Chapter 4 of HMC. %% ~~ A concise (1-5 lines) description of the dataset. ~~ } \usage{data("darwin")} \format{ A data frame with 15 observations on the following 2 variables. \describe{ \item{\code{cross}}{a numeric vector} \item{\code{self}}{a numeric vector} } } \details{ %% ~~ If necessary, more details than the __description__ above ~~ } \source{ %% ~~ reference to a publication or URL from which the data were obtained ~~ } \references{ Hogg, R.V., McKean, J.W. and Craig, A.T. (2018), \emph{Introduction to Mathematical Statistics, 8th Ed.}, Pearson: Boston. %% ~~ possibly secondary sources and usages ~~ } \examples{ data(darwin) ## maybe str(darwin) ; plot(darwin) ... } \keyword{datasets}