Displaying 1 result from an estimated 1 matches for "tempcalved2".
2009 Jul 25
1
a question about replacing a column that is factor
...I know this is because the new value is not in
the levels of that column, but
I don't know how to fix it.
Can someone help me to figure this out?
The following is what I did
thanks
jlm
> head(FDLFDPdata0000[FDLFDPdata0000$ID==69912008,])
ID Target Actual Date Time tempcalved2 tempLact2 DIM
69912008 50 0.0 2008-01-16 14:42:00 2009-04-14 1
-454
69912008 50 51.8 2008-01-17 05:23:00 2009-04-14 1
-453
69912008 50 0.0 2008-01-17 14:01:00 2009-04-14 1
-453
69912008 50 -53.8 2008-01-17...