plotma {affycoretools} | R Documentation |
This function makes an MA plot from either a matrix or two vectors.
plotma(x, y = NULL, main = "", log = TRUE, out = FALSE)
x |
A matrix of two columns or a vector of numbers. If a matrix with more than two columns is passed, only the first two will be used. |
y |
A vector of numbers. If NULL , x should be a
matrix with two columns. |
main |
A title for the plot. |
log |
Boolean describing if the data are log2 transformed. |
out |
Boolean describing if the M and A values should be returned. |
If out
is TRUE
, a matrix of M and A values is returned.
James W. MacDonald <jmacdon@med.umich.edu>