maybe, the point is that is.vector "attempts to coerce its argument into a vector", but here it fails
is.matrix(as.vector(x1mat)) [1] TRUE Matthias > > The following, which was recently discussions on the rcom-l list, > is a situation where coercing x1mat to a vector using as.vector > results in an object that is.vector says is not a vector: > > R> x1mat<-matrix(list(1,1.1,1+1i,"a",NA,NaN), 3, 2) > R> is.vector(as.vector(x1mat)) > [1] FALSE > > ______________________________________________ > [EMAIL PROTECTED] mailing list > https://stat.ethz.ch/mailman/listinfo/r-devel ______________________________________________ [EMAIL PROTECTED] mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
