Re: [R] problem with as.Date

From: Gabor Grothendieck <ggrothendieck_at_gmail.com>
Date: Wed, 11 Jun 2008 19:26:41 -0400

Using

xd <- structure(list(V1 = c("6/6", "5/27", "5/16", "5/2")), .Names = "V1", row.names = c(NA,
-4L), class = "data.frame")

Try:

> as.Date(paste("2008", xd$V1, sep = "/"), "%Y/%m/%d")
[1] "2008-06-06" "2008-05-27" "2008-05-16" "2008-05-02"

See R News 4/1 article on dates.

On Wed, Jun 11, 2008 at 6:22 PM, Mr Natural <drstrong_at_ucdavis.edu> wrote:
>
> Data into R from Excel csv file
> xd<-read.csv("court.dates1.txt",as.is=T, header = F)
>
>> str(xd)
> 'data.frame': 5 obs. of 1 variable:
> $ V1: chr "6/6" "5/27" "5/16" "5/2" ...
>
>
>>xd
>
> V1
> 1 6/6
> 2 5/27
> 3 5/16
> 4 5/2
> 5 4/29
>
> cdates <- as.Date(xd, format = " %m/ %d")
>
> Error in as.Date.default(xd, format = " %m/ %d") :
> do not know how to convert 'xd' to class "Date"
>
>
> Suggestions appreciated,
>
> Don
>
>
> --
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>
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https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. Received on Thu 12 Jun 2008 - 00:49:24 GMT

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