Nick,
what do you exactly mean. Checking for the validity in terms of a
code fullfilling the requirements of a certain nations postcodes e.g.
German postcodes contain only 5 digits. Or do you mean checking wether
a specific code does not only look like a postcode but is also a real
one?
Sebastian
On Fri, 25 Feb 2005 13:21:52 -0000, Nick Cox <[email protected]> wrote:
> Quite so.
>
> This raises an interesting question of
> how to check (British or indeed any other)
> postcodes. Given various possibilities it
> would not be trivial, but I believe Stata provides
> all the rudimentary handles.
>
> Nick [home postcode DH1 2NJ]
> [email protected]
>
> David Harrison
>
> > Now the discussion has moved onto upper/lower case letters, I
> > feel I should point out that my suggestion below strips off
> > anything that is not a digit between 0 and 9 - this may or
> > may not be beneficial depending on the situation, but in the
> > case of valid postcodes it should be irrelevant!
>
> David Harrison
>
> > . gen newv=cond(real(substr(v,-1,1))==., substr(v,1,length(v)-1), v)
> >
> > . li
> >
> > +-------------+
> > | v newv |
> > |-------------|
> > 1. | EC4A EC4 |
> > 2. | EC4P EC4 |
> > 3. | EC4Y EC4 |
> > 4. | DA15 DA15 |
> > 5. | SE10 SE10 |
> > |-------------|
> > 6. | SE2 SE2 |
> > 7. | SE3 SE3 |
> > 8. | W1A W1 |
> > +-------------+
> >
>
> *
> * For searches and help try:
> * http://www.stata.com/support/faqs/res/findit.html
> * http://www.stata.com/support/statalist/faq
> * http://www.ats.ucla.edu/stat/stata/
>
--
- Seb F Buechte
-
- Stay tuned!
*
* For searches and help try:
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* http://www.stata.com/support/statalist/faq
* http://www.ats.ucla.edu/stat/stata/
