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2007 Mar 01
1
problem with throwing lines out of matrix
Dear all,
again i have a problem with special case of dropping lines out of a
matrix.
i tried the following, where throwout is a vector of length 18 with
simple id values that should be compared to any
for (k in 1:length(throwout))
{
mymatrix=matrix(mymatrix[-(forfact[k]),],ncol=4)
}
this didnt work and i tried the following to find the error:
mymatrix[,1][mymatrix[,1]==throwout[7]]
this returned me a nice value - everything fine...
but other same other values for throwout didnt work - because the
throwout value simply is not in this matrix.
but i need th...