Hi Luyao, Thanks for trying out MADlib. Most of the modules including logistic regression do not support sparse vector columns. However kmeans http://madlib.apache.org/docs/latest/group__grp__lda.html does support it.
Let us know if you have more questions. Thanks, Nikhil Kak On Thu, Jul 19, 2018 at 11:47 AM LUYAO CHEN <luyao_c...@hotmail.com> wrote: > > Hi MADlib User Community, > > > I am new for MADlib. I have a question regarding the data in sparse vector > format - Can I run the learning in sparse vector format? > > For example, logistic regression. Seem the parameters assume that the data > was stored in the table. > > In my scenario, I have 10 thousand if features, so that store them in the > sparse vector format would be a better solution. > > > > Thanks, > > Luyao > >
