Try this:
substr(Data,1,nchar(Data)-1)
Steve
>>>
From: LCOG1 <jr...@lcog.org>
To:<r-help@r-project.org>
Date: 13/Jan/2010 9:15 a.m.
Subject: [R] Drop last numeral
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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