\name{optidigits} \docType{data} \alias{optidigits} \title{Optical Recognition of Handwritten Digits} \description{ This data set contains vectorised images of handwritten digits (0--9), compressed to 8x8 pixels. } \usage{optidigits} \format{A list with entries $x (a 5620x64 matrix with each row corresponding to an image) and $c (a vector of labels indicating the written digit).} \source{UCI Machine Learning Repository.} \references{ Lichman, M. (2013) UCI Machine Learning Repository. Irvine, CA: University of California, School of Information and Computer Science. \url{https://archive.ics.uci.edu/ml} } \keyword{datasets}