Hi All,
I need some help with the package 'isotone'? I have a big matrix (long) and
I want to apply 'lsSolver' possibly with 'activeSet' to each row of the
matrix. The plan is to use function 'apply', I tried several ways, but
didn't work. Not sure if the FUN is activeSet or lsSolver.
If I use the loop, then it works, but very slow.
for (i in 1:N) {
x.iso[i,] <- activeSet(A,lsSolver,weights=rep(1,n),y=x[i,])$x
}
Can someone help me with this?
Thanks,
Annie
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