Ecoli.HS {Ecoli}R Documentation

Ecoli heat shock data from Richmond et al. (1999)

Usage

example(Ecoli.HS)

Format

A data frame with 4253 observations on 3 variables.
[,1] identifier factor probe identifier
[,2] Cy3 numeric normalized Cy3 intensity
[,3] Cy5 numeric normalized Cy5 intensity

Details

These data represent 4 chips under control, IPTG-a, IPTG-b and heat shock. The raw data are normalized using Ecoli.norm.

Source

CS Richmond, Department of Genetics, UW-Madison

References

CS Richmond, JD Glasner, R Mau, H Jin and FR Blattner (1999) Genome-wide expression profiling in Escherichia coli K-12. Nucleic Acids Research 27(19): 3821-3835. \ Newton MA, Kendziorski CM, Richmond CS, Blattner FR, Tsui KW (2001) On differential variability of expression ratios: Improving statistical inference about gene expression changes from microarray data. J Comp Biol 8: 37-52.

See Also

Ecoli, Ecoli.pickgene, Ecoli.oddsplot

Examples

library( pickgene )
library( Ecoli )

#analysis of HS

data( Ecoli.HS )
twoarray.plot( Ecoli.HS, main = "Heat Shock",
  theta = c(2.7528,1.3661,4.1240,0.0515) )

[Package Contents]