Pearson, Spearman and Kendall correlation coefficients by hand

Introduction

Data

With ties

Without ties

Correlation coefficients by hand

Pearson

With and without ties

Spearman

With ties

Without ties

Kendall

Without ties

With ties

Verification in R

Conclusion

Introduction

In statistics, a correlation is used to evaluate the relationship between two variables.

In a previous post, we showed how ...