[R] trouble automating formula edits when log or * are present; update trouble

[Paul Johnson]

>>
>
> Try substitute:
>
>> do.call("substitute", list(newFmla, setNames(list(as.name("x1c")), "x1")))
> y ~ log(x1c) + x2 * x3
>
Damn. That's pretty. I'd say "setNames" a magic bullet too.

Thanks very much.

The approach suggested by Michael and Bert has the little shortcoming
that grepping for "x1" also picks up similarly named variables like
"x1new" and "x1old".  I've not yet found a similar downside with
Gabor's method.

pj
>
> --
> Statistics & Software Consulting
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-- 
Paul E. Johnson
Professor, Political Science    Assoc. Director
1541 Lilac Lane, Room 504     Center for Research Methods
University of Kansas               University of Kansas
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