[R] regex challenge

[Frank Harrell]

Bill I found a workaround:

   f <- ff(formula, lab)
   f <- as.formula(gsub("`", "", as.character(deparse(f))))

Thanks for your elegant solution.
Frank

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Thanks Bill.  The problem is one of the results of convertName might be
'Heading("Age in Years")*age'  (this is for the tables package), and
as.name converts this to `Heading("...")*age` and the backticks cause
the final formula to have a mixture of regular elements and ` ` quoted
expression elements, making the formula invalid.
Best,
Frank
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-- 
Frank E Harrell Jr Professor and Chairman      School of Medicine
                    Department of Biostatistics Vanderbilt University