Chi-Square Test Examples with R

Author(s): Amit Chauhan

Originally published on Towards AI.

Analysis of variables association and distribution

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Introduction

When we talk of chi-square tests, basically we study two types:

Chi-square for independenceChi-square for the goodness of fit

Both of them are non-parametric tests (that do not have a continuous scale for measurement and are assumption-free)

The first one helps determine any association between qualitative variables, and the second one tells whether a sample follows the same distribution as a sample or not.

Chi-square for independence

This test helps determine any association between two categorical values of qualitative data. It is only applicable to the Categorical data.

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Published via Towards AI