Re: [R] logical(0) response from lrm

2010-04-26 Thread David Winsemius
On Apr 26, 2010, at 12:55 AM, Rob James wrote: What causes the error report: logical(0) to arise in the rms function lrm? Here's my data: But both the dependent and the independent variable seem fine... > str(AABB) 'data.frame':1176425 obs. of 9 variables: $ sex : int 1 1 0 1 1 0

[R] logical(0) response from lrm

2010-04-25 Thread Rob James
What causes the error report: logical(0) to arise in the rms function lrm? Here's my data: But both the dependent and the independent variable seem fine... > str(AABB) 'data.frame':1176425 obs. of 9 variables: $ sex : int 1 1 0 1 1 0 0 0 0 0 ... $ faint : int 0 0 0 0 0 0 0 0 0 0