Hi Benedict, Did you set lambda to zero? -Xiangrui On Mon, Jul 13, 2015 at 4:18 AM, Benedict Liang <bli...@thecarousell.com> wrote: > Hi Sean, > > This user dataset is organic. What do you think is a good ratings threshold > then? I am only encountering this with the implicit type though. The > explicit type works fine though (though it is not suitable for this > dataset). > > Thank you, > Benedict > > On Mon, Jul 13, 2015 at 7:15 PM, Sean Owen <so...@cloudera.com> wrote: >> >> Is the data set synthetic, or has very few items? or is indeed very >> sparse? those could be reasons. However usually this kind of thing >> happens with very small data sets. I could be wrong about what's going >> on, but it's a decent guess at the immediate cause given the error >> messages. >> >> On Mon, Jul 13, 2015 at 12:12 PM, Benedict Liang >> <bli...@thecarousell.com> wrote: >> > Hi Sean, >> > >> > Thank you for your quick response. By very little data, do you mean that >> > the >> > matrix is too sparse? Or are there too little data points? There are >> > 3856988 >> > ratings that are in my dataset currently. >> > >> > Regards, >> > Benedict >> > > >
--------------------------------------------------------------------- To unsubscribe, e-mail: user-unsubscr...@spark.apache.org For additional commands, e-mail: user-h...@spark.apache.org
