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MIT RES.6-012 Introduction to Probability 12강 - Jacob is studying on programming
L12.6 Covariance Properties https://youtu.be/RQKJBpaCCeo L12.7 The Variance of the Sum of Random Variables https://youtu.be/GH7dwoXSD0s L12.8 The Correlation Coefficient https://youtu.be/HTs6Zhc2S1M L12.9 Proof of Key Properties of the Correlation Coefficient https://youtu.be/uxVRfj60z98 L12.10 Interpreting the Correlation Coefficient https://youtu.be/J3aMHIajtFc 위의 예식에서는 correlation값이 1/2이 나왔다 . correlation 값이 0인 경우 두 random variables이 관계가 없다. independent하다고 할수 있다.