These functions are wrappers of rtables::analyze() which apply corresponding tern statistics functions
to add an analysis to a given table layout:
summarize_colvars(): even if this function uses rtables::analyze_colvars(),
it applies the analysis methods as different rows for one or more
variables that are split into different columns. In comparison, analyze_colvars_functions
leverage analyze_colvars to have the context split in rows and the analysis
methods in columns.
analyze_colvars_functions for functions that are wrappers for rtables::analyze_colvars().
summarize_functions for functions which are wrappers for rtables::summarize_row_groups().