[Gretl-devel] Re: inverse of stack() function

Am 19.02.2021 um 13:52 schrieb Allin Cottrell: > On Fri, 19 Feb 2021, Riccardo (Jack) Lucchetti wrote: >> My question is: is there a simpler way to accomplish the above? And if >> there isn't, would it be worthwhile to add this function to the extra >> package? > > I can't think of an easier way of doing this, and your function seems to > me a good candidate for "extra". One possible modification would be: > > function matrix unstack(series x, series names[null], \ >     strings S[null]) > > where the caller needs to supply one of @names or @S, allowing for the > possibility that there's no handy series holding group names and you > therefore want to submit an array of group names directly. Or, drop the > @S argument but be ready to construct automatic names (e.g. "unit%d") in > case @names is not given. > Jack, would you take care of pushing this into 'extra', or is further discussion needed?