Re: postal code-->electoral district: a free + legal way

Posted by Joe Murray on
URL: http://civicaccess.416.s1.nabble.com/postal-code-electoral-district-a-free-legal-way-tp1518p1526.html

The Elections Canada / StatsCan list for PC -> EDID is known to have
significant data quality issues unrelated to a postal code geographically
overlapping riding boundaries. There are up to 7 ridings for a single postal
code in their data last I looked, with tens of thousands of postal codes
having multiple entries if I recall correctly. The methodology they've used
to create the table is the issue.

> <[hidden email]> wrote:
> >
> > Isn't that a problem with all postal code to electoral district
> resolvers?
> >
> > Jennifer
>
> Well, something is definitely fubared with these lists, because they
> don't all return the same results.
>
> Technically though, it should be an area overlap. For those postal
> codes that overlap 2 or more EDIDs, all possibilities should be
> returned in a query.
>
> Otherwise, we mislead a fraction of voters.
>
> d.