Hi all,
I'm pretty new to R and have a question. I have a postal_code field which
can have a variety of values such as:
For US postal codes: 22942-0173 or 32601
For Canada postal codes: N9YZE6 or S7V 1J9
What I want to do is represent these as patterns, such as:
US: NNNNN-NNNN or NNNNN
Canada: ANAAAN or ANA NAN
where N = any number and A = any alpha character, space = space, etc (other
characters such as ' should be represented as '.
Ultimately I want to count these to see how many have a pattern of
NNNNN-NNNN, ANA NAN, etc so that I can visualize the outliers.
Does anyone know if there is a built-in function in R to do this?
Currently, the str() function on the postal_code field shows a factor with
90,993 levels which isn't particularly helpful.
Thanks in advance!
--
Jeff
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