RE: MinMaxScaler behaviour

2016-11-21 Thread Joeri Hermans
I see. I think I read the documentation a little bit too quick :) My apologies. Kind regards, Joeri From: Sean Owen [so...@cloudera.com] Sent: 21 November 2016 21:32 To: Joeri Hermans; dev@spark.apache.org Subject: Re: MinMaxScaler behaviour It

Re: MinMaxScaler behaviour

2016-11-21 Thread Sean Owen
It's a degenerate case of course. 0, 0.5 and 1 all make about as much sense. Is there a strong convention elsewhere to use 0? Min/max scaling is the wrong thing to do for a data set like this anyway. What you probably intend to do is scale each image so that its max intensity is 1 and min intensit