July 2019
Beginner to intermediate
740 pages
16h 52m
English
Content preview from Hands-On Data Analysis with Pandas
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Statistical foundations
When we want to make observations about the data we are analyzing, we are often, if not always, turning to statistics in some fashion. The data we have is referred to as the sample, which was observed from (and is a subset of) the population. Two broad categories of statistics are descriptive and inferential statistics. With descriptive statistics, as the name implies, we are looking to describe the sample. Inferential statistics involves using the sample statistics to infer, or deduce, something about the population, such as the underlying distribution.
The sample statistics are used as estimators of the population parameters, meaning that we have to quantify their bias and variance. There are a multitude of methods ...
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