A tibble of class pairwise with calculated association value for every numeric variable pair,
or NULL if there are not at least two numeric variables
Arguments
d
A dataframe
method
A character string for the correlation coefficient to be calculated. Either "pearson" (default),
"spearman", or "kendall". If the value is "all", then all three correlations are calculated.
handle.na
If TRUE uses pairwise complete observations to calculate correlation coefficient, otherwise NAs not handled.