[Rd] as.data.frame.table and the name "Freq"

[Prof Brian Ripley]

No sooner said that done.
It _is_ nice to see code with a suggested enhancement.

On Sat, 8 Jan 2005 Bill.Venables at csiro.au wrote:

> May I suggest that the method as.data.frame.table not have the name
> "Freq" hardwired as the response name?  This is a problem if "Freq" is
> already the name of a stimulus factor.
>
> Here is the existing function:
>
> as.data.frame.table <- function (x, row.names = NULL, optional = FALSE,
> ...) {
>    x <- as.table(x)
>    data.frame(do.call("expand.grid", dimnames(x)), Freq = c(x),
>        row.names = row.names)
> }
>
> My suggested fix is
>
> as.data.frame.table <-
> function (x, row.names = NULL, optional = FALSE, responseName = "Freq",
> ...) {
>    x <- as.table(x)
>    ex <- Quote(data.frame(do.call("expand.grid", dimnames(x)), Freq =
> c(x),
>        row.names = row.names))
>    names(ex)[3] <- responseName
>    eval(ex)
> }
>
> This should be no slower and should break no existing code.
>
> Bill Venables,
>
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>
>

-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595