hello,
I have a vector of factors
> str(rcptdt)
Factor w/ 51 levels "1/10/03","1/13/03",..:
> length(rcptdt)
[1] 87
which i want to convert to class POSIXlt to extract the day, so:
a1<-format(rcptdt,"%m/%d/%y")
> length(a1)
[1] 87
and:
a2<-strptime(a1, "%m/%d/%y")
str(a2)
`POSIXlt', format: chr [1:87] "2002-04-18" "2002-07-19" "2002-08-02"
"2002-08-14" ...
> a2[1]-a2[2]
Time difference of -92 days
but the length differs
> length(a2)
[1] 9
and i cant update rcptdt...
> version
_
platform i386-pc-mingw32
arch i386
os mingw32
system i386, mingw32
status
major 1
minor 8.1
year 2003
month 11
day 21
language R
thanks,
amer
research analyst
disability det. bureau
madtown-wi-usa
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