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| From | Roger Newson <r.newson@imperial.ac.uk> |
| To | "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu> |
| Subject | Re: st: error with sccendif |
| Date | Wed, 2 Feb 2011 13:15:18 +0000 |
Hello WassimThe example quoted below works for me. I suspect that your problem is caused by an out-of-date version of the -somersd- package (which includes -cendif-), dating from before the -cfweight()- option was introduced.
You do not tell me what version of Stata you are using. However, if it is Stata Version 10 or 11 (which is required for -sccendif- to work), then you should update your version of -somersd- from SSC. This can be done using the -ssc- command, or using -adoupdate-. It might be a good idea also to update the -expgen- package, which is also downloadable from SSC, and which is also used by the -scsomersd- package.
I hope this helps. Let me know if you have any further queries. Best wishes Roger Roger B Newson BSc MSc DPhil Lecturer in Medical Statistics Respiratory Epidemiology and Public Health Group National Heart and Lung Institute Imperial College London Royal Brompton Campus Room 33, Emmanuel Kaye Building 1B Manresa Road London SW3 6LR UNITED KINGDOM Tel: +44 (0)20 7352 8121 ext 3381 Fax: +44 (0)20 7351 8322 Email: r.newson@imperial.ac.uk Web page: http://www.imperial.ac.uk/nhli/r.newson/ Departmental Web page: http://www1.imperial.ac.uk/medicine/about/divisions/nhli/respiration/popgenetics/reph/ Opinions expressed are those of the author, not of the institution. On 01/02/2011 22:17, Wassim Tarraf wrote:
********************************** webuse auto, clear gene firm=word(make,1) lab var firm "Firm" sort foreign firm make describe tab firm, m sccendif price 0, tdist centile(25(25)75) **********************************
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