[R] month increment for chron dates
bmw8042 at verizon.net
Sun Sep 18 15:44:15 CEST 2005
I have a vector of over 7,000 chron dates in the format "mm/dd/yy". I need
to increment each date in the vector by a standard number of months.
Lapply with seq.dates is working OK; this increments the vector x by 3
dates(unlist(lapply(x, function(g) seq.dates(g, by="months", length=4))))
But this takes about 55 seconds to run on a Windows XP 1.8 Pentium 512 RAM
PC with R version 2.0.0
Can you recommend a more efficient way to do this?
thanks for your advice
BPS Trade Services
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