You are treating add1 as a vector of characters. If you want the zipcode and
you know what positions it is within the string use
substr(add1[1], 32, 36)
If you don't know, you could use (but it will get any 5 digit number):
regmatches(add1, regexpr("[[:digit:]]{5}", add1))
----------------------------------------------
David L Carlson
Associate Professor of Anthropology
Texas A&M University
College Station, TX 77843-4352
> -----Original Message-----
> From: r-help-boun...@r-project.org [mailto:r-help-bounces@r-
> project.org] On Behalf Of Erin Hodgess
> Sent: Sunday, August 12, 2012 10:34 PM
> To: R help
> Subject: [R] named character question
>
> Dear R People:
>
> Here is a goofy question:
>
> I want to extract the zip code from an address and here is my work so
> far:
>
> > add1
> results.formatted_address
> "200 W Rosamond St, Houston, TX 77076, USA"
> > add1[1][32:36]
> <NA> <NA> <NA> <NA> <NA>
> NA NA NA NA NA
> > str(add1)
> Named chr "200 W Rosamond St, Houston, TX 77076, USA"
> - attr(*, "names")= chr "results.formatted_address"
> >
>
> What am I not seeing, please?
>
> Thanks,
> Erin
>
>
> --
> Erin Hodgess
> Associate Professor
> Department of Computer and Mathematical Sciences
> University of Houston - Downtown
> mailto: erinm.hodg...@gmail.com
>
> ______________________________________________
> R-help@r-project.org mailing list
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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.
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