For Group Profiles (derived from GroupProfile class) these additional methods are available:
is_compact () -> Boolean
True if the profile is a compact profile, else False.
is_freeform () -> Boolean
True if the profile is a free form profile, else False.
is_weekly () -> Boolean
True if the profile is a weekly profile, else False.
is_yearly () -> Boolean
True if the profile is a yearly (annual) profile, else False.
