January 2018
Intermediate to advanced
470 pages
11h 9m
English
Content preview from Scala Machine Learning Projects
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Duration distribution
Let us now take a look at how the duration of calls is related to subscription:
%sql select duration,y, count(1) from trainData group by duration,y order by duration,y
The charts show that most of the calls are short and the subscription ratio is proportional to the call duration. The expanded version provides better insight:
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.