as_cordf                Coerce lists and matrices to correlation data
                        frames
as_matrix               Convert a correlation data frame to matrix
                        format
colpair_map             Apply a function to all pairs of columns in a
                        data frame
correlate               Correlation Data Frame
dice                    Returns a correlation table with the selected
                        fields only
fashion                 Fashion a correlation data frame for printing.
first_col               Add a first column to a data.frame
focus                   Focus on section of a correlation data frame.
focus_if                Conditionally focus correlation data frame
network_plot            Network plot of a correlation data frame
pair_n                  Number of pairwise complete cases.
rearrange               Re-arrange a correlation data frame
retract                 Creates a data frame from a stretched
                        correlation table
rplot                   Plot a correlation data frame.
shave                   Shave off upper/lower triangle.
stretch                 Stretch correlation data frame into long
                        format.
