March 2019
Beginner to intermediate
448 pages
13h 14m
English
Content preview from R Statistics Cookbook
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Entropy is a measure of how much disorder exists within a system (its interpretation is similar to entropy in physics). We will calculate it by cohort:
seqHtplot(mvad.seq,group=group__, title = "Entropy index")
The following screenshot shows the entropy for each group/week:
Evidently, the entropy should be low at the beginning as most people are enrolled at L1. We should expect it to go up dramatically after Weeks 7-10, since this company is offering a discount at around that stage, so people might then jump into L2 or L3.
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