Extract surveys from institutes within a specified time-window
get_eligible(
surveys,
pollsters,
last_date = Sys.Date(),
period = 14,
period_extended = NA
)
A tibble
containing survey results for multiple
pollsters as returned by get_surveys
.
Character vector of pollsters that should be considered for pooling.
Only surveys in the time-window from last_date
to
last_date
- period will be considered for each pollster. Defaults
to current date.
See last_date
argument.
Optional. If specified, all surveys in the time-window
from last_date
- period_extended to last_date
- period will
also be considered for each pollster, but only after down-weighting them by
halving their true sample size.