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Re: st: trouble with traveltime command


From   Nick Cox <njcoxstata@gmail.com>
To   "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu>
Subject   Re: st: trouble with traveltime command
Date   Fri, 15 Feb 2013 14:38:08 +0000

Malheureusement pas.

Nick

On 15 Feb 2013, at 14:19, Valerie Orozco <Valerie.Orozco@toulouse.inra.fr > wrote:

Thank you Nick, you were right about the new version. Now it works :

. list  end_city start_city days hours mins traveltime_dist

+-- --- --- --- --- --- --- --- ---------------------------------------------------------------------+ | end_city start_city days hours mins travel~t | |-- --- --- --- --- --- --- --- ---------------------------------------------------------------------| 1. | 1500 market st, philadelphia, PA 19102 Philadelphia, PA 0 0 3 .5 | 2. | Philadelphia, PA Philadelphia, PA 0 0 0 0 | 3. | Allentown, PA Philadelphia, PA 0 1 11 61.3 | 4. | Lancaster, PA Philadelphia, PA 0 1 31 79.6 | +-- --- --- --- --- --- --- --- ---------------------------------------------------------------------+

The other question I have is why with French data it doesn't work  :

. traveltime, start_x(lat_home) start_y(long_home) end_x (lat_ad) end_y(long_ad) km mode(1)

. list ad1 MonAd lat1 long1 lat2 long2 days hours mins traveltime_dist if _n==13

+-- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --------------------------------------------------------------------+ | ad1 MonAd lat1 long1 lat2 long2 days hours mins travel~t | |-- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --------------------------------------------------------------------| 13. | rue des cigognes, 31520 ramonville, france 21 allee de brienne, toulouse, france 43.55332 1.472469 43.6054 1.432587 0 0 0 0 | +-- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --------------------------------------------------------------------+

You can see that I have 2 different points but distance and time are set to 0 between the 2 addresses.
Any idea?
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