pyarrow.compute.value_counts

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 ignored.

Parameters

arrayArray-like

Argument to compute function.

memory_poolpyarrow.MemoryPool, optional

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

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