pyarrow.compute.RankQuantileOptions

class pyarrow.compute.RankQuantileOptions(sort_keys='ascending', *, null_placement=None)

Bases: _RankQuantileOptions

Options for the rank_quantile function.

Parameters:

sort_keyssequence of (name, order, null_placement) tuples or str, default “ascending”

Names of field/column keys to sort the input on, along with the order each field/column is sorted in. Accepted values for order are “ascending”, “descending”. Accepted values for null_placement are “at_start”, “at_end”. The field name can be a string column name or expression. Alternatively, one can simply pass “ascending” or “descending” as a string if the input is array-like.

null_placementstr | None, default None

Where nulls in input should be sorted. Accepted values are “at_start”, “at_end”.

__init__(self, sort_keys='ascending', *, null_placement=None)

Methods

__init__(self[, sort_keys, null_placement])
deserialize(buf)	Deserialize options for a function.
serialize(self)

static deserialize(buf)

Deserialize options for a function.

Parameters:

bufBuffer

The buffer containing the data to deserialize.

serialize(self)