pyarrow.compute.value_counts(array, /, *, memory_pool=None)#

Compute counts of unique elements.

For each distinct value, compute the number of times it occurs in the array. The result is returned as an array of struct<input type, int64>. Nulls in the input are counted and included in the output as well.


Argument to compute function.

memory_poolpyarrow.MemoryPool, optional

If not passed, will allocate memory from the default memory pool.