Re: [R] min frequencies of categorical predictor variables in GLM

2009-08-05 Thread Marc Schwartz
On Aug 5, 2009, at 12:51 AM, Thomas Mang wrote: Marc Schwartz wrote: On Aug 3, 2009, at 12:06 AM, Thomas Mang wrote: Hi, Suppose a binomial GLM with both continuous as well as categorical predictors (sometimes referred to as GLM-ANCOVA, if I remember correctly). For the categorical predic

Re: [R] min frequencies of categorical predictor variables in GLM

2009-08-04 Thread Thomas Mang
Marc Schwartz wrote: On Aug 3, 2009, at 12:06 AM, Thomas Mang wrote: Hi, Suppose a binomial GLM with both continuous as well as categorical predictors (sometimes referred to as GLM-ANCOVA, if I remember correctly). For the categorical predictors = indicator variables, is then there a sugges

Re: [R] min frequencies of categorical predictor variables in GLM

2009-08-03 Thread Marc Schwartz
On Aug 3, 2009, at 12:06 AM, Thomas Mang wrote: Hi, Suppose a binomial GLM with both continuous as well as categorical predictors (sometimes referred to as GLM-ANCOVA, if I remember correctly). For the categorical predictors = indicator variables, is then there a suggested minimum frequen

[R] min frequencies of categorical predictor variables in GLM

2009-08-02 Thread Thomas Mang
Hi, Suppose a binomial GLM with both continuous as well as categorical predictors (sometimes referred to as GLM-ANCOVA, if I remember correctly). For the categorical predictors = indicator variables, is then there a suggested minimum frequency of each level ? Would such a rule/ recommendation