khan {pamr} | R Documentation

## Khan microarray data

### Description

A text file containing the Khan micorarray data

### Usage

       data(khan)
       data(khanEset)

### Format

The data set `khan` consists of 2310 rows and 65 columns. Row 1 has the sample labels, Row 2 has the class labels. The remaining rows are gene expression. Column 1 is a dummy gene number. Column 2 is the gene name. Remaining columns are gene expression.

The data set `khanEset` contains an `exprSet` representation of the same data. There is additionally a vector named, `khan.geneNames` containing the 2308 gene names. Note that there are 2308 genes and 64 samples (the numbers given in the preceeding paragraph include labels).

### Details

### Source

Khan, J. and Wei, J.S. and Ringner, M. and Saal, L. and Ladanyi, M. and Westermann, F. and Berthold, F. and Schwab, M. and Antonescu, C. and Peterson, C. and and Meltzer, P. (2001) Classification and diagnostic prediction of cancers using gene expression profiling and artificial neural network. Nature Medicine 7, 673-679.

### References

Robert Tibshirani, Trevor Hastie, Balasubramanian Narasimhan, and Gilbert Chu (2002). Diagnosis of multiple cancer types by shrunken centroids of gene expression PNAS 99: 6567-6572. Available at www.pnas.org

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