[R] How to use lm.predict to obtain fitted values?

[Larry Howe]

> > "An optional data frame in which to look for variables with which to
> > predict." means almost nothing to me. Specifically it doesn't translate
> > to me, as an engineer and software developer, but not a statistician,
> > that the names have to match, and furthermore if they don't match, R
> > fails silently.
> >
> > Larry Howe
>
> I have had offline conversations not related to this thread by others
> who were also confused by this so I agree it would be worthwhile
> to clarify it.

Thank you! If there is anything I can do to help get this documented / 
clarified, please let me know.

Larry