Also ?ifelse rather than if() I think.
Cheers,
Bert
Bert Gunter
"The trouble with having an open mind is that people keep coming along
and sticking things into it."
-- Opus (aka Berkeley Breathed in his "Bloom County" comic strip )
On Sat, Jun 10, 2017 at 10:17 PM, Jeff Newmiller
<jdnew...@dcn.davis.ca.us> wrote:
> You are using a slash in your format string to separate sub-fields but your
> data uses a dash.
> --
> Sent from my phone. Please excuse my brevity.
>
> On June 10, 2017 8:18:37 PM PDT, Val <valkr...@gmail.com> wrote:
>>Hi all,
>>I have a date issue and would appreciate any help.
>>
>>I am reading a field data and n one of the columns I am expecting a
>>date but has non date values such as character and empty. space.
>>Here is a sample of my data.
>>
>>KL <- read.table(header=TRUE, text='ID date
>>711 Dead
>>712 Uknown
>>713 20-11-08
>>714 11-28-07
>>301
>>302 09-02-02
>>303 09-21-02',stringsAsFactors = FALSE, fill =T)
>>
>>str(KL)
>>data.frame': 7 obs. of 2 variables:
>> $ ID : int 711 712 713 714 301 302 303
>> $ date: chr "Dead" "Uknown" "20-11-08" "11-28-07" .
>>
>>I wanted to convert the date column as follows.
>>if (max(unique(nchar(as.character(KL$date))))==10) {
>> KL$date <- as.Date(KL$date,"%m/%d/%Y")
>>}
>>but not working.
>>
>>
>>How could I to remove the corresponding entire row. that do not have
>>a date format and do the operation?
>>thank you in advance
>>
>>______________________________________________
>>R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see
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>>PLEASE do read the posting guide
>>http://www.R-project.org/posting-guide.html
>>and provide commented, minimal, self-contained, reproducible code.
>
> ______________________________________________
> R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see
> 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.
______________________________________________
R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
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