Returns the polls, election results or trends of a popPolls object with one
row per date and party, the format expected by most plotting and modelling
tools.
Usage
popLong(x, what = c("polls", "elections", "trends"))Value
A data.table with the columns date, party and value. Polls
come with dateFrom, firm and n (sample size), trends with the name of
the trend and, if available, its variance.
Examples
if (FALSE) { # \dontrun{
de = popRead('DE-parliament')
popLong(de)
popLong(de, 'trends')
} # }