CountUniqueAction

class lsst.analysis.tools.actions.scalar.CountUniqueAction(*args, **kw)

Bases: ScalarAction

Counts the number of unique rows in a given column.

Parameters:
dataKeyedData
Returns:
countScalar

The number of unique rows in a given column.

Attributes Summary

vectorKey

Name of column.

Methods Summary

__call__(data, **kwargs)

Call self as a function.

getInputSchema()

Return the schema an AnalysisAction expects to be present in the arguments supplied to the __call__ method.

Attributes Documentation

vectorKey

Name of column. (str)

Methods Documentation

__call__(data: MutableMapping[str, ndarray[Any, dtype[ScalarType]] | Scalar | HealSparseMap], **kwargs) Scalar

Call self as a function.

getInputSchema() HealSparseMap]]]

Return the schema an AnalysisAction expects to be present in the arguments supplied to the __call__ method.

Returns:
resultKeyedDataSchema

The schema this action requires to be present when calling this action, keys are unformatted.