Chi-Square Test in Machine Learning

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 coincidence or if there’s an underlying reason. The Chi-Square test is like a statistical detective, examining whether there’s a significant relationship between two categorical variables or if the observed pattern is due to random chance.

In machine learning, the Chi-Square test is used to check if specific categorical features are …

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