On Tue, Aug 27, 2019 at 11:05 PM Wes McKinney <wesmck...@gmail.com> wrote:
> I don't think this has been discussed. I think the SparseTensor > discussions have been intended to reach compatibility with "sparse > matrix" projects like scipy.sparse. pandas's "SparseArray" objects are > a distinct thing -- I don't know many examples of sparse matrices with > fill values other than 0 The reason for implementing fill_value would be the case where user wants another value to be '0' and it's practical for the SparseTensor object to keep that value for them. I am not sure how common would such a case be and since scipy.sparse is time tested I'd agree with compatibility as the current goal.
