R/Symbols.R

In rNMF: Robust Nonnegative Matrix Factorization

#' 30 Images Containing 4 Different Symbols.
#' 
#' A 5625 by 30 matrix. Each column stores vectorized pixels of a 75 by 75 image. 
#' Every image contains one or more of four shapes: circle, square, triangle and cross. 
#' The pixel intensities are standarized to 0 to 1. Run see(Symbols) to visualize.
#' 
#' @docType data
#' @keywords datasets
#' @format A 5625 by 30 numeric matrix.
#' @name Symbols
NULL