
Learning Statistics: Concepts and Applications in R
Covariance and Correlation
Educational · 2017年8月18日 · 25 分鐘 Prime Video
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第 1 季,第 6 集: When are two variables correlated? Learn how to measure covariance, which is the association between two random variables. Then use covariance to obtain a dimensionless number called the correlation coefficient. Using an R data set, plot correlation values for several variables, including the physical measurements of a sample population.
Educational · 2017年8月18日 · 25 分鐘