ST_LocalOutlierFactor (Python)

Calculate the local outlier factor on the given geometry column. SQL reference: ST_LocalOutlierFactor

Signature

from sedona.spark.sql.st_functions import ST_LocalOutlierFactor

ST_LocalOutlierFactor(
    geometry: ColumnOrName,
    k: Union[ColumnOrName, int],
    use_spheroid: Optional[Union[ColumnOrName, bool]] = False,
) -> Column

Parameters

ColumnOrName

required

Geometry column or name.

Union[ColumnOrName, int]

required

Number of nearest neighbors to use for the LOF calculation.

Optional[Union[ColumnOrName, bool]]

default:"False"

Whether to measure distances on a spherical model of the earth. Default is False.

Returns

Column

Local outlier factor of the point as a double. Values substantially above 1 indicate an outlier.

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Signature

Parameters

Returns