Banya, Winston
>
> Thanks Nick [Winter]. It seems to work but some of the variables are
> not numeric and
> so when I took that into account I am geeting an error message.
>
> I wrote in the last line you sent me: list 'v2' if 'v1'==.
> | 'v1'=="&" and
> then the error message was that 'v1'is an invalid name.
> Note the in this
> database the missinbg value for a string variable is
> designarted as &. How
> can I modify it ?
Whatever the variable,
`v1' == . | `v1' == "&"
will be illegal. If the variable is numeric,
then it cannot be compared with a string,
and indeed vice versa.
I would replace
"&"
by
""
and use -missing()- in any case
to test for missings. That will work
across numerics and strings.
Nick
[email protected]
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