Correlation coefficient is a special case of slope in which both the outcome and explanatory variables are transformed into z scores prior to analysis; also known as Pearson's r.
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Pearson’s r
Pearson’s r is a special case of slope in which both the outcome and explanatory variables are transformed into z scores prior to analysis; also known as the correlation coefficient.
cor()
The cor() function will compute the covariance or correlation of x and y if these are vectors. If x and y are matrices then the covariances (or correlations) between the columns of x and the columns of y are computed. The default method will compute ...
Sampling Variation
Sampling variation is the natural tendency for different random samples from the same population or data generating process (DGP) to produce different results. Because each random sample contains different observations, sample statistics and model ...