chi squared test

The Chi-squared Goodness of Fit Test for Regression Analysis

Towards Data Science

The Chi-Squared test (Chi as in Kaizen or Kaiser) is one of the most versatile tests of statistical significance.

Chi-Square Hypothesis Testing in Statistics

Towards AI

Chi-square test is a non-parametric test in hypothesis testing to know the association of two categorical features in bi-variate data or records. Non-parametric tests are distribution-free test…

Machine Learning: Chi Square Test In Evaluating Predictions

Towards Data Science

The chi square test is a useful, simple, and easy test to conduct to help gauge the unexpectedness or expectedness of outcomes in data. Included in this post will be the background and circumstances…

Chi-Square Test in Machine Learning

Towards AI

Picture a classroom with students choosing between two different activities: reading or playing sports. If you notice more students gravitating toward reading, you might wonder if this is just by coin...

Chi-square test of independence by hand

Towards Data Science

Chi-square tests of independence test whether two qualitative variables are independent, that is, whether there exists a relationship between two categorical variables. In other words, this test is…

Chi-Square Test, with Python

Towards Data Science

In this article, I will introduce the fundamental of the chi-square test (χ2), a statistical method to make the inference about the distribution of a variable or to decide whether there is a…

Chi-Squared Test: Comparing Variations Through Soccer

Towards Data Science

If you are not a paid member on Medium, I make my stories available for free: Friends link The term “Chi-Squared Test” is often thrown around without much clarification about which specific test is be...

Gentle Introduction to Chi-Square Test for Independence

Towards Data Science

The Chi-square test for independence is also called Pearson’s chi-square test. Chi-square test for independence is used in science, economics, marketing, or other various fields. There are three ways…...

Chi-Square Test in Python: A Technical Guide

Python in Plain English

Exploring Categorical Variables in Education Through Python’s Chi-Square Test Image by author If you are wondering about which categorical feature has more effect on your target feature, you are at th...

Chi-Square Test of Independence

Towards Data Science

A simple and concise explanation of the Chi-Square Test of Independence Continue reading on Towards Data Science

Chi-Square Goodness of Fit Test

Towards Data Science

A Simple and Concise Explanation of the Chi-Square Goodness of Fit Statistical Test in Data Science Continue reading on Towards Data Science

The Chi-Squared Test Statistic is a Must For Every Data Scientist: A Case Study in Customer Churn

Towards Data Science

The chi-square statistic is a useful tool for understanding the relationship between two categorical variables. For the sake of example, let’s say you work for a tech company that has rolled out a…