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Re: st: all suggestions are welcome retiming project


From   Austin Nichols <austinnichols@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: all suggestions are welcome retiming project
Date   Fri, 8 Mar 2013 16:33:00 -0500

Deanna Reed <deanna.reed.uva@gmail.com>:
No.
http://www.stata.com/help.cgi?twoway
where maps are made with
http://www.stata.com/help.cgi?twoway_area
with the -nodropbase- option
using a shapefile dataset
(http://www.stata.com/support/faqs/graphics/spmap-and-maps/)
and you could put small histograms of minutes late using
http://www.stata.com/help.cgi?twoway_rarea
at points identifying stops, but you need to do the calculations first.

If you want help with that, you need to give more detail on the nature
of your data.

If you just want to identify chokepoints, compute the mean
additional minutes late at each stop relative to the prior stop,
and look at the 5 or 10 largest values.

On Fri, Mar 8, 2013 at 4:20 PM, Deanna Reed <deanna.reed.uva@gmail.com> wrote:
> Yes I do have maps of each route. Thank you! so i would use the twoway
> command is that like a two tailed test?
>
> On Fri, Mar 8, 2013 at 4:15 PM, Austin Nichols <austinnichols@gmail.com> wrote:
>> Deanna Reed <deanna.reed.uva@gmail.com>:
>> Do you have maps of routes? You could put very small histograms of
>> minutes late at each stop on a map using -twoway-.
>>
>> On Fri, Mar 8, 2013 at 12:59 PM, Deanna Reed <deanna.reed.uva@gmail.com> wrote:
>>> Good Morning All,
>>> I am a government employee for a transportation agency and we are currently
>>> working on a project that involves retiming of our bus routes. Our bus
>>> routes are managed and maintained by a contractor. The buses are frequently
>>> late causing many patrons to complain. I am tasked to use STATA SE 12 to
>>> input the data (time intervals to monitor whether buses are late and how
>>> late) and generate graphs and visuals to depict which routes are late and
>>> how often they are late. There are 27 bus routes and I would like to show
>>> at which point on the route causes lateness and also have a graph showing
>>> for each route whether they are late or not.
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