Determines the channels the surevy was conducted over.
Usage
survey_channels(
ballot_date = funky::config_val("ballot_date"),
canton = cantons(ballot_date)
)See also
Other fundamental predicate functions:
ballot_types(),
cantons(),
combos_ballot_types(),
election_nrs(),
election_prcds(),
has_ballot_type(),
has_election(),
has_election_nrs(),
has_lvl(),
has_proposal_nrs(),
has_referendum(),
is_representative(),
lvls(),
n_elections(),
n_proposals(),
prcds(),
proposal_nrs(),
proposal_qstn_groups(),
qstn_groups_proposal_nrs()