Displaying 1 result from an estimated 1 matches for "minbeforeland".
2010 Jun 14
1
Subtracting POSIXct data/times
...5000 3.077222 3.210278 3.248056 3.281944 3.281944
3.360278 3.360278 3.582778 4.574444 5.506111 5.857778 6.150278 6.150278
6.243056 6.243889 6.248056 6.248611 6.248611 6.356667
attr(,"tzone")
But sometimes the answer is in seconds.
# make a column with the minutes before landing
>zsort$MinBeforeLand = zsort$ETA - zsort$DateTime
> zsort$MinBeforeLand
Time differences in secs
[1] -50 136 221 878 1192 2263 3296 3959 4968 5846 8709
11537 12198 12442 12642 15952 18273 19952 20538
How do I specify the resultant units?
Thanks,
Jim Rome