cor_from_upper
Convert correlation matrix to specification used by
cor_from_upper
cor_to_upper(m, remove_below = .Machine$double.eps)
Matrix with 3 columns (variable_1, variable_2, correlation), where correlation gives the entry at position (variable_1, variable_2) of the input correlation matrix. Note that variable_1 < variable_2 holds for all entries.
Symmetric correlation matrix.
Threshold for absolute correlation values below which they are removed from the returned matrix. If NULL then no filtering is applied.
cor_from_upper