The raw data behind the story "How Much Trouble Is Ted Cruz Really In?" https://fivethirtyeight.com/features/how-much-trouble-is-ted-cruz-really-in/.
august_senate_polls
A data frame with 594 rows representing senate polls, and 11 variables:
the election year
the state of the poll
the class of the senate
the start date of the poll
the end odate of the poll
the percent of support for the Democrat during the poll
the percent of support for the Republican during the poll
the result percent of support for the Democrat during the election
the result percent of support for the Republican during the election
the difference between the percent of support of one party during the poll and the result percent of support for the same party during the election
the absolute value of the error value
Emerson College’s poll of registered voters