Displaying 2 results from an estimated 2 matches for "day_min".
2011 Feb 07
2
Using Aggregate for Date
...0072008
2/25/09 1:49 PM 335 20082009
3/5/09 2:13 PM 335 20082009
4/15/09 1:53 PM 335 20082009
10/24/07 12:14 PM 126 20072008
11/7/07 12:21 PM 126 20072008
3/19/09 8:45 AM 177 20082009
4/2/09 8:54 AM 177 20082009
4/16/09 9:57 AM 177 20082009
day_min <- aggregate(mydata$date, by=list(mydata$schoolid, mydata$year),
FUN=min)
However, the result shows the date is in format as: "1193242974" instead of
"mm/dd/yy HH:MM AM".
Is there anyway that I can show original date in the result?
Thanks
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View this message in contex...
2006 Dec 05
1
problem with lists...
...-9.542965e-05 3.230055e-04 2.148520e-04 -1.622996e-05
VMail_Plan 4.879640e-06 -1.339026e-04 1.639344e-04
-1.367628e-05 2.897648e-05 5.548126e-04
VMail_Message -4.174810e-04 -2.969518e-03 4.791422e-03
-5.643246e-04 -1.752559e-03 1.433728e-02
Day_Mins -9.845791e-01 2.049519e-02 -4.038624e-02
1.619195e-02 -8.308484e-03 4.217712e-04
Day_Calls -2.810874e-03 1.428161e-02 2.837638e-03
-7.647877e-03 2.532260e-02 -9.431350e-01
Day_Charge -1.673781e-01 3.483165e-03 -6.864827e-03
2.7...