Pearson Correlation Coefficient -- [Proof] Why it can't be equal to 2 ?
Автор: Towards Infinity
Загружено: 2025-09-24
Просмотров: 112
Описание:
In this video we walk through the proof of why the correlation coefficient can never take values beyond the range from minus one to one. We start by recalling the definition of correlation and then move step by step through the reasoning that shows why values such as two are impossible. You will see how variance and expectation come together in the argument, and why this bound is a fundamental property of correlation. By the end you will have a clear understanding of the mathematics behind the inequality and the intuition for why correlation is always limited.
#statistics #math #correlation #proof #datascience #probability #tutorial #datascience
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