Displaying 1 result from an estimated 1 matches for "192702".
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19202
2011 Oct 22
3
problem with as.Date
Dear all,
I would like to convert the first column of a dataframe to a date (original
format: year (4 digits) and month (last 2 digits))
>str(dat_FF)
'data.frame': 1022 obs. of 4 variables:
$ date : int 192607 192608 192609 192610 192611 192612 192701 192702
192703 192704 ...
$ Rm.Rf: num 2.69 2.52 0 -3.06 2.42 2.66 0 4.29 0.51 0.57 ...
$ SMB : num -2.49 -1.25 -1.38 -0.2 -0.34 -0.07 -0.11 0.35 -1.87 0.44 ...
$ HML : num -2.91 4.25 0.22 0.71 -0.4 -0.11 4.92 3.17 -2.92 1.33 ...
But
>dat_FF$date <- as.Date(as.character(dat_FF$date), format...