[R] back tick names with predict function

[Bert Gunter]

"Thank you Rui.  I didn't know about the check.names = FALSE argument.
> Another good reminder to always read help, but I'm not sure I understood
> what help to read in this case"

?data.frame , of course, which says:

"check.names

logical. If TRUE then the names of the variables in the data frame are
checked to ensure that they are syntactically valid variable names and
are not duplicated. If necessary they are adjusted (by make.names) so
that they are. "

-- Bert