In addition to the other suggestions, you may find this Speaking Stata article by Nick Cox useful
http://www.stata-journal.com/sjpdf.html?articlenum=pr0006
Miranda Kim wrote:
How can I efficiently convert string variables (such as gender with
values 'f' 'm') into binary 0/1 variables?
Can I fiddle with encode so that it codes 0/1 instead of 1/2?
Many thanks
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* 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/