October 2019
Beginner to intermediate
674 pages
16h 43m
English
Content preview from Mastering pandas - Second Edition
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The negative binomial distribution
The negative binomial distribution is used for independent Bernoulli trials and measures the number of tries (X=k) that are needed before a specified number of successes (r) occur. An example would be the number of coin tosses it would take to obtain five heads. The PMF is given as follows:
The expectation and variance are given respectively by the following expressions:
We can see that the negative binomial ...
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