data(yeast)y is cell cycle gene expression data (Spellman et al., 1998)
of 542 genes from an $\alpha$ factor based experiment.
Each column corresponds to mRNA levels
measured at every 7 minutes during 119 minutes (a total of 18 measurements).
Matrix x is the chromatin immunoprecipitation on chip (ChIP-chip) data of
Lee et al. (2002) and it contains the binding information for 106
transcription factors. See Chun and Keles (2010) for more details.data(yeast)
yeast$x[1:5,1:5]
yeast$y[1:5,1:5]Run the code above in your browser using DataLab