[R] Extracting the dispersion parameter

Edward F. Connor
Sun, 23 Feb 2003 10:15:04 -0000

I have been unsuccessful in extracting the dispersion parameter in SPLUS
6.1 using

summary or summary.glm(modelobj$dispersion)

from a glm object in which the family was set to quasi. This is the syntax
given in the manual. I want to write a script to bootstrap the estimate of
the dispersion parameter, but cannot seem to access that value.

Any suggestions?

Thanks,

Ed






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Edward F. Connor                                Office Phone    415-338-6997
Department of Biology                           Lab Phone       415-338-3873
San Francisco State University                  Fax             415-405-0306
1600 Holloway Avenue                            email:          efc@sfsu.edu
San Francisco, CA 94132                 web: http://userwww.sfsu.edu/~efc

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