[R] logistic regression on contingency table

[Dieter Menne]

Bingshan Li <bli1 <at> bcm.tmc.edu> writes:

> I am wondering if there is a way in R to fit logistic regression on  
> contingency table. If I have original data, I can transform the data  
> into a design matrix and then call glm to fit the regression. But now  
> I have a 2x3 contingency table with first row for response 0 and  
> second row for response 1, and the columns are 3 levels of predictor  
> variable. The 3 levels are not ordinal though and indicator variables  
> would be more appreciate.

>From Documentation of GLM:

For binomial and quasibinomial families the response can also be specified 
as a factor (when the first level denotes failure and all others success) 
or as a two-column matrix with the columns giving the numbers of successes 
and failures.  
....

Dieter Menne