[R] Interpreting Multiple Linear Regression Summary

B77S bps0002 at auburn.edu
Wed Nov 9 21:59:01 CET 2011

There is only one row with a complete set of observations; I think lm() is
throwing out the rest.

Rich Shepard wrote:
> 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
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