pyarrow.compute.fill_null_backward

pyarrow.compute.fill_null_backward(values, /, *, memory_pool=None)

Carry non-null values backward to fill null slots.

Given an array, propagate next valid observation backward to previous valid or nothing if all next values are null.

Parameters:

valuesArray-like

Argument to compute function.

memory_poolpyarrow.MemoryPool, optional

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

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