Contingency Tables
Contingency tables are a statistical tool used in data science to display and analyze the relationship between two or more categorical variables. They are also known as cross-tabulation tables or crosstabs. Contingency tables display the frequency distribution of variables in rows and columns, allowing for easy comparison and identification of patterns and relationships. They are commonly used in hypothesis testing, where they can be used to determine if there is a significant association between two variables. Contingency tables can also be used to calculate various statistical measures, such as chi-squared tests, odds ratios, and relative risk.
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