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monochrome
2013 Jan 24
0
How to get read.table() or scan() to report line on which error occurs
...-read.table("mydata.dat", header=FALSE, sep=" ",
col.names=mydatacolnames, colClasses=mydatacolclasses, row.names="hash")
results in:
Error in scan(file, what, nmax, sep, dec, quote, skip, nlines, na.strings, :
scan() expected 'a real', got 'MONOCHROME2'
Calls: read.table -> scan
Execution halted
which is not very helpful, since it does not report where the error occurs,
and searching for the offending string does not always help because it may
occur many times.
I know that I can do a:
count.fields("mydata.dat", sep=&q...