[R] specifying model terms when using predict

2009-01-16 Thread VanHezewijk, Brian
I've recently encountered an issue when trying to use the predict.glm function. I've gotten into the habit of using the dataframe$variablename method of specifying terms in my model statements. I thought this unambiguous notation would be acceptable in all situations but it seems models

Re: [R] specifying model terms when using predict

2009-01-16 Thread Marc Schwartz
on 01/16/2009 02:20 PM VanHezewijk, Brian wrote: I've recently encountered an issue when trying to use the predict.glm function. I've gotten into the habit of using the dataframe$variablename method of specifying terms in my model statements. I thought this unambiguous notation would

Re: [R] specifying model terms when using predict

2009-01-16 Thread David Winsemius
On Jan 16, 2009, at 4:30 PM, Marc Schwartz wrote: on 01/16/2009 02:20 PM VanHezewijk, Brian wrote: I've recently encountered an issue when trying to use the predict.glm function. I've gotten into the habit of using the dataframe$variablename method of specifying terms in my model

Re: [R] specifying model terms when using predict

2009-01-16 Thread Marc Schwartz
on 01/16/2009 03:44 PM David Winsemius wrote: On Jan 16, 2009, at 4:30 PM, Marc Schwartz wrote: on 01/16/2009 02:20 PM VanHezewijk, Brian wrote: I've recently encountered an issue when trying to use the predict.glm function. I've gotten into the habit of using the