Dan,

Pails advice in R:Magellan is a good way to go. Take a look at it. I use it in my application and geocoding should do the job for you.

Give me a call direct and I will try to answer at least part of your questions.

George H Baker
ABC Systems, Inc.
PO Box 160
Osage Beach, Mo 65065
573 348 5600   office
314 422 1950   cell








----- Original Message ----- From: "Paul InterlockInfo" <[email protected]>
To: "RBASE-L Mailing List" <[email protected]>
Sent: Tuesday, August 11, 2009 1:31 PM
Subject: [RBASE-L] - RE: SOT: zip codes


RMagellan will do it without much trouble.  http://www.rmagellan.com/


I have several examples and so do many on this list.



Sincerely,
Paul D





-----Original Message-----
From: [email protected] [mailto:[email protected]] On Behalf Of Dan Goldberg
Sent: Tuesday, August 11, 2009 2:06 PM
To: RBASE-L Mailing List
Subject: [RBASE-L] - SOT: zip codes

I am investigating on how to find the nearest zip code from another zip code
based on distance. I am working on a dealer locator solution.

I was wondering if anybody else has done this in Rbase. I am thinking there is an additional data field needed to determine the physical location(maybe
latitude and longitude??). I am not sure.

I know there are hosted solutions but I am looking for an in house solution
to save some $$$.

TIA

Dan Goldberg




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