Display the levels of the sort index

Source: R/group_tj.R

Display the levels of the sort index

group_names(x)

# S3 method for c_grouping
group_names(x)

# S3 method for sftraj
group_names(x)

# S3 method for sftrack
group_names(x)

Arguments

x

sftrack/sftraj/c_grouping/s_group object