Select Subset
Select a subset of rows with small rank-range over columns.
maffy.subset(data,subset.size=5000,maxit=100,
subset.delta=max(round(subset.size/100),25),verbose=FALSE)data |
a matrix |
subset.size |
desired size of subset |
maxit |
maximum number of iterations |
subset.delta |
maximum deviation from subset.size |
verbose |
logical value. |
Please refer to references.
A list with component subset, the indexes for subset.
Magnus Astrand
Astrand, M. (2001) http://www.math.chalmers.se/~magnusaa/maffy/
if (require(affydata)) {
#data(Dilution)
#x <- log2(pm(Dilution)[,1:3])
#Index <- maffy.subset(x,subset.size=100)$subset
#mva.pairs(x[Index,])
}Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.