cor_smooth              Smooth a non-positive definite correlation
                        matrix to make it positive definite
cor_sort                Sort a correlation matrix to improve
                        readability of groups and clusters
cor_test                Correlation test
cor_text                Correlation text
cor_to_ci               Convert correlation to p-values and CIs
cor_to_cov              Convert a correlation to covariance
cor_to_pcor             Correlation Matrix to (Semi) Partial
                        Correlations
correlation             Correlation Analysis
display.easycormatrix   Export tables into different output formats
distance_mahalanobis    Mahalanobis distance and confidence interval
                        (CI)
is.cor                  Check if matrix ressembles a correlation matrix
isSquare                Check if Square Matrix
matrix_inverse          Matrix Inversion
visualisation_recipe.easycor_test
                        Visualisation Recipe for 'correlation' Objects
z_fisher                Fisher z-transformation
