st: varlist with both ~ and -

[Roger Harbord <roger.harbord@bristol.ac.uk>]

Why can't you combine the ~ and - conventions for abbreviating a varlist?

i.e. :

. describe ca1endometriumq35f - ca1haematologicalq35h

works, as does:

. describe ca1~q35f ca1~q35h

but this gives an error:

. describe ca1~q35f - ca1~q35h
- invalid name
r(198);

I can't see any good reason why the first two are OK but not the third.

(I'm using Stata/SE 8.2)

Thanks,
Roger.


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