Returns the mode in each partition or for all values if none is given.
partition(Union[GroupBy, DataFrame]) – The partition or window to apply
skipna(bool) – only
skipna=Truesupported. This means NULL values are ignored.
a new Series with the aggregation applied
The result of this function might be non-deterministic if there are multiple values with the same frequency.
BigQuery has no support for aggregation function
approximate aggregate function is used instead. Which means that an approximate result will
be produced instead of exact results.