Thanks to Austin for the work-around code and to Nick for a different
perspective.
No qualms with how things are, its just as I say I assumed a count of
zero to be valid (but then to assume makes an ass out of [yo]u and me,
although in this case there is no [yo]u and its just I who looks like
an ass!).
Cheers,
Neil
--
"The combination of some data and an aching desire for an answer does
not ensure that a reasonable answer can be extracted from a given body
of data." ~ John Tukey (1986), "Sunset salvo". The American
Statistician 40(1).
Email - [email protected]
Website - http://slack.ser.man.ac.uk/
Photos - http://www.flickr.com/photos/slackline/
*
* For searches and help try:
* http://www.stata.com/help.cgi?search
* http://www.stata.com/support/statalist/faq
* http://www.ats.ucla.edu/stat/stata/
