January 2018
Intermediate to advanced
470 pages
11h 9m
English
It might sound funny, but the month of telemarketing can have a significant correlation with the subscription decision:
%sql select month,y, count(1) from trainData group by month,y order by month,y

So, the preceding chart shows that the highest subscription ratios are obtained for months that have fewer instances (for example, December, March, October, and September).
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