[R] Interpreting Multiple Linear Regression Summary

[Rich Shepard]

On Wed, 9 Nov 2011, John C Frain wrote:

> As far as I know if there is an NA in any variable in an observation the
> default is to drop the entire observation. Thus there are no observations
> in your calculation

John,

   Hadn't realized that. I know there are NA's in other data frames that
yield model results. Perhaps it is the excessive numbers in this set that
are the problem.

Thanks,

Rich