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| From | "Weichle, Thomas" <Thomas.Weichle@va.gov> |
| To | <statalist@hsphsun2.harvard.edu> |
| Subject | st:the disadvantage of using -xi- to create indicators for categorical variables |
| Date | Mon, 20 Dec 2010 09:20:01 -0600 |
Stata's new factor variable notation is great. It is very, very flexible for specifying the baseline of preference and also when using it in interactions. I agree with Maarten, I don't see a use for the -xi- notation at all. I feel as more users get warmed up to the new notation that they will feel the same. However, some user written commands may not allow for the new notation and -xi- may still be necessary. It will be up to the authors to update the code in their command so that we may take advantage of the new notation. Tom Weichle Math Statistician Center for Management of Complex Chronic Care (CMC3) Hines VA Hospital, Bldg 1, C202 708-202-8387 ext. 24261 Thomas.Weichle@va.gov * * 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/