No there isn't a log version. You could probably copy and hack the implementation easily if necessary.
On Wed, Jul 29, 2020 at 11:05 AM jyuan1986 <[email protected]> wrote: > > Hi Team, > > I'm looking for information regarding MF_ALS algorithm's log version if > implemented. In original Hu et al.'s paper "Collaborative filtering for > implicit feedback datasets", there're two different ways to construct > confidence level c(ui) from raw info r(ui): the vanilla version is > c(ui)=1+alpha*r(ui), the log version is c(ui)=1+alpha*log(1+rui/epsilon). > I'm guessing the default version in pyspark.ml.recommedation.ALS is vanilla > version. Not sure if we have log version available or not. > > Any help is appreciated :) > > James > > > > -- > Sent from: http://apache-spark-user-list.1001560.n3.nabble.com/ > > --------------------------------------------------------------------- > To unsubscribe e-mail: [email protected] > --------------------------------------------------------------------- To unsubscribe e-mail: [email protected]
