James J. Roper escribió:
> Dear all,
>
> I often use dates and times in analyses. I just can't figure out how to
> format my date or time column in R. So, apparently R sees the date as
> something other than date (character). Let's say I am opening a CSV
> file, one of the columns of which is a date or time. How do I specify
> that when opening the file?
>
> Thanks for the help,
>
> Jim
>
>
Jim,
Suppose a matrix F (6575,189) where rows are days and columns some grid
points:
First we set the starting date of the series (6575 is the total number
of days):
library(zoo)
x.Date<-as.Date("1987-12-31")+ c(1:6575)
F.zoo <- zoo(F, x.Date)
#then take a look
F.zoo[,1]
HTH
Antonio
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