search for: week5

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2007 Jul 23
3
Aggregate daily data into weekly sums
...4 12 6/25/2007 5 13 6/28/2007 5 Basically, I would like to collapse the daily data into weekly sums such that the result should look like the following: Date Amount 1 2007/6/Week1 2 2 2007/6/Week2 4 3 2007/6/Week3 15 4 2007/6/Week4 8 5 2007/6/Week5 10 Does there already exist a function that aggregates the data at user-defined time frequency? Any pointers would be greatly appreciated. Jacques > version _ platform i386-pc-mingw32 arch i386 os mingw32 system i386, mingw32 status maj...