What
do you want postcodes for?
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We use postcodes to draw maps, showing the
distribution of responses in different areas. For
example, it would be interesting if a map of young people's
smoking habits was the same as the map of adult smoking
habits from the same district. It would be even more
interesting if it was different!
Lots of mapping information is linked to postcodes and this
is by far the easiest way to approach it.
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