[R] computing distance in miles or km between 2 street addre

[Rolf Turner]

On 7/09/2007, at 10:17 AM, (Ted Harding) wrote:

> On 06-Sep-07 18:42:32, Philip James Smith wrote:
>> Hi R-ers:
>>
>> I need to compute the distance between 2 street addresses in
>> either km or miles. I do not care if the distance is a "shortest
>> driving route" or if it is "as the crow flies."
>>
>> Does anybody know how to do this? Can it be done in R? I have
>> thousands of addresses, so I think that Mapquest is out of the
>> question!
>>
>> Please rely to: philipsmith at alumni.albany.edu
>>
>> Thank you!
>> Phil Smith
>
> That's a somewhat ill-posed question! You will for a start
> need a database of some kind, either of geographical locations
> (coordinates) of street addresses, or of the metric of the
> road network with capability to identify the street addresses
> in the database.

	<snip>

>
>                                  As far as I know, R has no
> database relevant to street addresses!


	But Ted!  Don't you know that statistics in general and R in  
particular are
	supposed to be able to ***work MAGIC***???  :-) :-) :-)

				cheers,

					Rolf

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