[R] read in a matrix, difference between 1.3.1 (Windows) and 1.4.1 (Unix)
steinep at uni-muenster.de
Tue Apr 30 16:24:31 CEST 2002
Hello and thanks for the reply,
let me first re-generate the data, maybe this is the reason why ... -
although it is strange.
> 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)
> > print(tabx)
> > taby <- apply(tabx[1:reihenz,2:spaltenz], 2, as.numeric)
> > rownames(taby) <- tabx[,1]
> > print(taby)
> > 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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