Gene expression data from Golub et al. (1999)
Gene expression data (3051 genes and 38 tumor mRNA samples) from the leukemia microarray study of Golub et al. (1999).
A list with the following elements:
a (38 x 3051) matrix giving the expression levels of 3051 genes for 38 leukemia patients. Each row corresponds to a patient, each column to a gene.
a numeric vector of length 38 giving the cancer class of each patient.
a matrix containing the names of the 3051 genes for the gene
The dataset was taken from the R package multtest. The data are described in Golub et al. (1999) and can be freely downloaded from http://www.broadinstitute.org/cgi-bin/cancer/publications/pub_paper.cgi?paper_id=43.
S. Dudoit, J. Fridlyand and T. P. Speed (2002). Comparison of discrimination methods for the classification of tumors using gene expression data, Journal of the American Statistical Association 97, 77–87.
Golub et al. (1999). Molecular classification of cancer: class discovery and class prediction by gene expression monitoring, Science 286, 531–537.
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