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jweb
2017 Aug 22
1
Convert Factor to Date
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2017 Aug 22
0
Convert Factor to Date
On 2017-08-22 1:30 PM, Patrick Casimir wrote:
> Dear R Fellows,
>
>
> I Have a dataset( data1) with 2 columns of date showing a class of factor. How to convert them to date? Then compare them, keep the greater date only in a new column. Using as.Date to change the class to Date but the data becomes NA.
????? When I specified a format with the second date, I got the desired
2017 Aug 22
5
Convert Factor to Date
Dear R Fellows,
I Have a dataset( data1) with 2 columns of date showing a class of factor. How to convert them to date? Then compare them, keep the greater date only in a new column. Using as.Date to change the class to Date but the data becomes NA.
Much Thanks
COL1 COL2
Apr-16 1-Nov-16
May-16 1-Nov-16
Jun-16 1-Nov-16
Jul-16 1-Nov-16
Aug-16 1-Nov-16
Sep-16 1-Nov-16
Oct-16 1-Nov-16