## S3 method for class 'FeatureSet':
hist(x, transfo=log2, which=c("pm", "mm", "bg", "both", "all"),
nsample=10000, ...)## S3 method for class 'ExpressionSet':
hist(x, transfo=identity, nsample=10000, ...)
FeatureSet
or ExpressionSet
objectmatplot