Categorizes incoming documents into a specific number of groups, called buckets,
based on a specified expression. Bucket boundaries are automatically determined
in an attempt to evenly distribute the documents into the specified number of buckets.
https://docs.mongodb.com/manual/reference/operator/aggregation/bucketAuto/
Categorizes incoming documents into a specific number of groups, called buckets, based on a specified expression. Bucket boundaries are automatically determined in an attempt to evenly distribute the documents into the specified number of buckets. https://docs.mongodb.com/manual/reference/operator/aggregation/bucketAuto/