"Gao Liu" <[email protected]> writes:
> where `column' and `column'_`svc_year'_`svc_month' are matrix and have
> been given a value earlier. But when running, an error message pops
> up, indicating that " matrix operation not found, r(501); ". Can
> anybody tell me what is the wrong with the code ?
At a guess, one of your local macros is empty, probably `column' so
Stata is seeing
"mat =("
instead of
"mat age=("
or similar.
Brendan
--
Brendan Halpin, Department of Sociology, University of Limerick, Ireland
Tel: w +353-61-213147 f +353-61-202569 h +353-61-338562; Room F2-025 x 3147
mailto:[email protected] http://www.ul.ie/sociology/brendan.halpin.html
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