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

[Henrik Bengtsson]

On 9/6/07, Rolf Turner <r.turner at auckland.ac.nz> wrote:
>
> 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***???  :-) :-) :-)

Wow! I didn't know that. What's the function call?

/Henrik

>
>                                 cheers,
>
>                                         Rolf
>
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