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2005 Apr 23
2
How to override coerion error in 'scan'
I am using 'read.csv' in V2.0.1 to read in a CSV file with the
colClasses option and am getting an error from 'scan' when it encounters
a non-numeric value for a 'numeric' column, i.e.
> ds <- read.csv(in_file, nrows=irow, row.names=NULL,
colClasses=zclass,
comment.char="")
Error in scan(file = file, what = what, sep = sep, quote = quote, dec
= dec, :
"scan" expected a real, got "03/15/200523:56:03"
Is there a way to override this and just have it convert those values to
NA? The dataset is l...