[R] Problem passing data into read.table()
Peter Dalgaard BSA
p.dalgaard at biostat.ku.dk
Tue Apr 23 22:04:47 CEST 2002
dmcwilli <dmcwilli at utk.edu> writes:
> Sorry for the delay, only just now got back to it ...
> 1. debug() did not help, would not show state of nrows inside read.table()
> 2. fill=T did help, could have dropped the last 2 rows (footer).
> By accident I found the problem. read.table() returns a dataframe and the
> result of the calculation of the number of rows has mode "list". Coercing it
> to numeric solves the problem.
Oho. Now why didn't I spot that the first time?..
> # coerce rows calculation to numeric
> row.ctr <-
However, you're mutiplying data frames there, and there's some amount
of unnecessary bureaucracy it that. Using:
might be a neater solution.
row.ctr <- prod(grid.layout[1,4:7])
O__ ---- Peter Dalgaard Blegdamsvej 3
c/ /'_ --- Dept. of Biostatistics 2200 Cph. N
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