[Rd] justify hard coded in format.ftable

[Gabor Grothendieck]

If you are looking at ftable could you also consider adding
a way to convert an ftable into a usable data.frame such as
the ftable2df function defined here:

https://stackoverflow.com/questions/11141406/reshaping-an-array-to-data-frame/11143126#11143126

and there is an example of using it here:

https://stackoverflow.com/questions/61333663/manipulating-an-array-into-a-data-frame-in-base-r/61334756#61334756

Being able to move back and forth between various base class representations
seems like something that would be natural to provide.

Thanks.

On Thu, May 14, 2020 at 5:32 AM Martin Maechler
<maechler using stat.math.ethz.ch> wrote:
>
> >>>>> SOEIRO Thomas
> >>>>>     on Wed, 13 May 2020 20:27:15 +0000 writes:
>
>     > Dear all,
>     > I haven't received any feedback so far on my proposal to make "justify" argument available in stats:::format.ftable
>
>     > Is this list the appropriate place for this kind of proposal?
>
> Yes, it is.. Actually such a post is even a "role model" post
> for R-devel.
>
>     > I hope this follow-up to my message won't be taken as rude. Of course it's not meant to be, but I'm not used to the R mailing lists...
>
> well, there could be said much, and many stories told here ... ;-)
>
>     > Thank you in advance for your comments,
>
>     > Best,
>     > Thomas
>
> The main reasons for "no reaction" (for such nice post) probably
> are combination of the following
>
> - we are busy
> - if we have time, we think other things are more exciting
> - we have not used ftable much/at all and are not interested.
>
> Even though the first 2 apply to me, I'll have a 2nd look into
> your post now, and may end up well agreeing with your proposal.
>
> Martin Maechler
> ETH Zurich  and  R Core team
>
>
>
>
>     >> Dear all,
>     >>
>     >> justify argument is hard coded in format.ftable:
>     >>
>     >> cbind(apply(LABS, 2L, format, justify = "left"),
>     >> apply(DATA, 2L, format, justify = "right"))
>     >>
>     >> It would be useful to have the possibility to modify the argument between c("left", "right", "centre", "none") as in format.default.
>     >>
>     >> The lines could be changed to:
>     >>
>     >> if(length(justify) != 2)
>     >> stop("justify must be length 2")
>     >> cbind(apply(LABS, 2L, format, justify = justify[1]),
>     >> apply(DATA, 2L, format, justify = justify[2]))
>     >>
>     >> The argument justify could defaults to c("left", "right") for backward compatibility.
>     >>
>     >> It could then allow:
>     >> ftab <- ftable(wool + tension ~ breaks, warpbreaks)
>     >> format.ftable(ftab, justify = c("none", "none"))
>     >>
>     >> Best regards,
>     >>
>     >> Thomas
>
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