Also try
sub('[0-9]$', '', Data)
[1] "113" "113" "173" "173" "182" "182" "222" "222" "224"
[10] "224" "41434" "41437" "41437"
HTH,
Dennis
On Tue, Jan 12, 2010 at 10:36 AM, LCOG1 <jr...@lcog.org> wrote:
>
> Hello all,
> Frustrated and i know you can help
>
> I need to drop the last numeral of each of my values in my data set. So
> for
> the following i have tried the ?substring but since i have to specify the
> length, but because my data are of varying lengths it doenst work so well
>
> Data<-c("1131", "1132", "1731" ,"1732" ,"1821" ,"1822", "2221" ,"2222",
> "2241" ,"2242","414342" ,"414371" ,"414372")
> Bldgid<-substring(as.character(Data),1,3)
>
> returns:
> "113" "113" "173" "173" "182" "182" "222" "222" "224" "224" "414" "414"
> "414"
>
> but i want"
>
> "113", "113", "173" ,"173" ,"182" ,"182", "222" ,"222", "224"
> ,"224","41434"
> ,"41437" ,"41437")
>
> The values thats have more than 4 numerals are whats messing things up.
> Tried ?formatC as well but couldn't get it to coerce things correctly.
> Thanks for the help
>
> JR
> --
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>
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