Dear R users,
I am building a packaged where I want to use the "update.formula" function, but
modifying the option "simplify = FALSE" to "TRUE". Since this is not an
argument, I modified the code and created a new function as:
update.formula2 <- function (old, new, ...)
{
tmp <- .Internal(update.formula(as.formula(old), as.formula(new)))
out <- formula(terms.formula(tmp, simplify = FALSE))
return(out)
}
This works fine. But when creating and checking the package ("R CMD check
--as-cran mypackage"), I obtained a warning saying that ".Internal" function
cannot be used inside a package.
Does anyone know how to define an "update.formula" (or equivalent) setting
"simplify = FALSE"?
Thanks.
Isaac Subirana.
IMIM. Barcelona.
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