References
Field, Andy. 2024. Discovering Statistics Using IBM SPSS Statistics. 6th ed. SAGE Publications Ltd.
Gareth James, Trevor Hastie, Daniela Witten. 2021. An Introduction to Statistical Learning: With Applications in r. 2nd ed. Springer Texts in Statistics. Springer New York, NY. https://doi.org/10.1007/978-1-0716-1418-1.