MAplot {affy}R Documentation

Relative M vs. A plots

Description

Create boxplots of M or M vs A plots. Where M is determined relative to a specified chip or to a pseudo-median reference chip.

Usage

MAplot(object,...)
Mbox(object,...)
ma.plot(A,M,subset=sample(1:length(M),min(c(10000, length(M)))),show.statistics=TRUE,span=2/3,family.loess="gaussian",cex=2,...)

Arguments

object An AffyBatch-class
... Additional parameters for the routine
A A vector to plot along the horizonal axis
M A vector to plot along vertical axis
subset A set of indices to use when drawing the loess curve
show.statistics If true some summary statistics of the M values are drawn
span span to be used for loess fit.
family.loess "guassian" or "symmetric" as in loess.
cex Size of text when writing summary statistics on plot

See Also

mva.pairs

Examples

   data(affybatch.example)
   MAplot(affybatch.example)
   Mbox(affybatch.example)

[Package affy version 1.8.1 Index]