[R] converting among modes
mark at myatt.demon.co.uk
Mon Jul 30 12:23:53 CEST 2001
Martin Henry H. Stevens <hstevens at muohio.edu> writes:
>Windows 2000, R 1.3.0
>I have been given a data set (ASCII tab delimited) in which many variables
>that are supposed to be numeric actually contain characters. I would be
>happy to have those character entries disappear and become NA.
Check out the na.strings parameter to read.table().
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