ButchR: Non-Negative Matrix Factorization Suite

#' Microarray expression data of B-ALL, T-ALL and AML samples.
#'
#' Dataset containing Affymetrix Hgu6800 microarray expression data of B-ALL,
#' T-ALL and AML samples.
#' Original publication: Molecular classification of cancer: class discovery
#' and class prediction by gene expression monitoring.
#' T R Golub, D K Slonim, P Tamayo, C Huard, M Gaasenbeek, J P Mesirov,
#' H Coller, M L Loh, J R Downing, M A Caligiuri, C D Bloomfield, E S Lander.
#' Science. 1999 Oct 15;286(5439):531-7. doi: 10.1126/science.286.5439.531.
#' This dataset had also been used by Brunet et al. (PNAS, 2004) and
#' Gaujoux et al. (BMC Bioinformatics, 2010).
#'
#' @format A list with an expression matrix and annotation data frame
#' \describe{
#'   \item{matrix}{4452 rows/genes and 38 samples}
#'   \item{annotation}{AL and _AML status with type}
#'   ...
#' }
#' @source \url{https://pubmed.ncbi.nlm.nih.gov/10521349/}
#'
#' @usage data(leukemia)
#'
"leukemia"