only keep transfers where both stops match filter

r-transit / tidytransit

R package for working with GTFS data

https://r-transit.github.io/tidytransit/

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only keep transfers where both stops match filter #180

Closed polettif closed 2 years ago

polettif commented 2 years ago

With this PR filter_feed_by_* functions only keep transfers where both stops match the filter criteria. Otherwise stop_ids in transfers might point to stops that don't exist in stops.