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Book Overview & Buying
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Table Of Contents
The Applied SQL Data Analytics Workshop - Second Edition
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As previously mentioned, descriptive statistics is one of the ways in which we can analyze data in order to understand it. Both univariate analysis and multivariate analysis can give us an insight into what might be going on with a phenomenon. In this section, we will take a closer look at the basic mathematical techniques that we can use to better understand and describe a dataset.
As previously mentioned, one of the main branches of statistics is univariate analysis. These methods are used to understand a single variable in a dataset. In this section, we will look at some of the most common univariate analysis techniques.
The distribution of data is simply a count of the number of values that are in a dataset. For example, say that we have a dataset of 1,000 medical records, and one of the variables in the dataset is eye color. If we look at the dataset and find 700 people have brown eyes...