This data set was collected by Alon et. al. and consists of 2000 genes measured on 62 patients: 40 diagnosed with colon cancer and 22 healthy patients. The patient status is described by the factor ‘grouping’ and the gene values are given by the numeric variables ‘genes.1’ through ‘genes.2000’.
A data frame containing 62 observations on one factor and 2000 numeric variables.
Alon, U., Barkai, N., Notterman, D.A., Gish, K., Ybarra, S., Mack, D. and Levine, A.J. (1999) “Broad patterns of gene expression revealed by clustering analysis of tumor and normal colon tissues probed by oligonucleotide arrays”, In: Proceedings National Academy of Sciences USA 96, 6745-6750. The data set is available at http://microarray.princeton.edu/oncology.
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