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 ...