[Gretl-devel] Re: Cumulated values of matrix with missing values

On Thu, 6 May 2021, Sven Schreiber wrote: > Am 06.05.2021 um 10:05 schrieb Sven Schreiber: > >> >> Right, but I'm wondering whether this isn't inefficient because the ok >> values are overwritten with themselves. Or aren't they internally? > > BTW, shouldn't this work? > > <hansl> > matrix m = {1, NA} > eval misszero(m[2]) > </hansl> > > I'm getting an error "is matrix not series", but m[2] should -I believe- > be auto-converted to scalar type here. Actually no. The policy for some time now has been that a 1x1 submatrix remains a matrix in the course of calculation, and is auto-converted to a scalar only on assignment. This seemed to be the way to minimize unexpected results.