[R] read.csv converts "NA" to missing values

[R. Michael Weylandt]

I believe read.csv(..., na.strings = "") will do it.

Michael

On Mon, Feb 27, 2012 at 8:15 AM, nikhil abhyankar <nsabhyankar at gmail.com> wrote:
> Hello,
>
> I have a CSV file with region codes listed in a column. E.g. 'AS' for Asia,
> 'AU' for Australia and 'NA' North America.
>
> However, the data frame created using read.csv shows <NA> where the string
> variable should have had the value 'NA'.
>
> How can I input the value 'NA' present in a column in a CSV file without R
> changing it to missing?
>
> Thanks
>
> Nikhil
>
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