Select data sources whose coefficient of variation is at most
cv_threshold and whose total announcement count is at least
min_total. Rows with missing values are excluded.
Arguments
- features
A tibble as returned by
compute_source_features(). Must contain columnsfonte,cvandsum.- cv_threshold
Numeric maximum coefficient of variation (default 0.6).
- min_total
Integer minimum total announcement count across all months (default 0, i.e. no minimum).