Re: [EXTERNAL] - Re: Problem with the ML ALS algorithm

2019-06-26 Thread Nick Pentreath
; > > > *From:* Nick Pentreath > *Sent:* Wednesday, June 26, 2019 9:09 AM > *To:* user@spark.apache.org > *Subject:* Re: [EXTERNAL] - Re: Problem with the ML ALS algorithm > > > > If the number of items is indeed 4, then another issue is the rank of the > factors def

RE: [EXTERNAL] - Re: Problem with the ML ALS algorithm

2019-06-26 Thread Steve Pruitt
From: Nick Pentreath Sent: Wednesday, June 26, 2019 9:09 AM To: user@spark.apache.org Subject: Re: [EXTERNAL] - Re: Problem with the ML ALS algorithm If the number of items is indeed 4, then another issue is the rank of the factors defaults to 10. Setting the "rank" parameter <

Re: [EXTERNAL] - Re: Problem with the ML ALS algorithm

2019-06-26 Thread Nick Pentreath
; Number of items is 4 > > Ratings values are either 120, 20, 0 > > > > > > *From:* Nick Pentreath > *Sent:* Wednesday, June 26, 2019 6:03 AM > *To:* user@spark.apache.org > *Subject:* [EXTERNAL] - Re: Problem with the ML ALS algorithm > > > > This means that

RE: [EXTERNAL] - Re: Problem with the ML ALS algorithm

2019-06-26 Thread Steve Pruitt
Number of users is 1055 Number of items is 4 Ratings values are either 120, 20, 0 From: Nick Pentreath Sent: Wednesday, June 26, 2019 6:03 AM To: user@spark.apache.org Subject: [EXTERNAL] - Re: Problem with the ML ALS algorithm This means that the matrix that ALS is trying to factor