[R] read in a matrix, difference between 1.3.1 (Windows) and 1.4.1 (Unix)
Peter Dalgaard BSA
p.dalgaard at biostat.ku.dk
Tue Apr 30 15:38:38 CEST 2002
Petra Steiner <steinep at uni-muenster.de> writes:
> I am reading in a matrix with ignoring the first line. With the exception of
> the first column (column names) each value is numeric.
> Up to now the following worked well, although a bit slow.
> tabx <- matrix(scan("myfile", what =
> "", skip=1, quote = ""), byrow=T, nrow=reihenz, ncol=spaltenz)
> taby <- apply(tabx[1:reihenz,2:spaltenz], 2, as.numeric)
> rownames(taby) <- tabx[,1]
> Now, with Version 1.4.1 under Unix, for tabx I get a table with the first line
> repeated many times. as.numeric is not applicable of course.
> Maybe read.table would be better? But I have to read a lot of data!
An example of what your data look like would be helpful. Both for
helping you out and to help fix what sounds like a bug.
O__ ---- Peter Dalgaard Blegdamsvej 3
c/ /'_ --- Dept. of Biostatistics 2200 Cph. N
(*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918
~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk) FAX: (+45) 35327907
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