Average polls and supplement with election data

Find a state/district average of polls and supplement averages with election data in case no recent polls are available for a state or district.

polls_plus(polls, election)

Arguments

polls	data frame of polls as returned by `polls_filter`
election	tibble of election results (with number of electoral votes)

Value

tibble of average polls supplemented by last k polls polls_plus(presidential_polls electoral_votes_2016)