Grapheme-class          A Reference Class for representing consistency
                        test graphemes
Participant-class       A Reference Class for representing consistency
                        test participants
ParticipantGroup-class
                        A Reference Class for representing a group of
                        consistency test participants
create_grapheme         Create a grapheme instance
create_participant      Create a Participant instance.
create_participantgroup
                        Create a ParticipantGroup instance using
                        long-format data
create_participantgroup_widedata
                        Create a ParticipantGroup instance
point_3d_variance       Calculate sample variance of 3D point distance
                        from centroid
synr-package            synr: Explore and Process Synesthesia
                        Consistency Test Data
synr_exampledf_large    Raw consistency test data example, long format
                        (small)
synr_exampledf_long_small
                        Raw consistency test data example, long format
                        (small)
synr_exampledf_wide_small
                        Raw consistency test data example, wide format
                        (small)
total_within_cluster_variance
                        Calculate Total Within Cluster Variance of 3D
                        points
validate_get_twcv       Check if color data are valid and get TWCV
