lenskit.metrics.basic#

Basic set statistics.

Classes#

ListLength

Report the length of the output (recommendation list or predictions).

TestItemCount

Report the number of test items.

UniqueItemCount

Count the number of unique items in the recommendation lists.

UniqueItemAccumulator

Protocol implemented by data accumulators.

Exported Aliases#

lenskit.metrics.basic.ID#

Re-exported alias for lenskit.data.ID.

class lenskit.metrics.basic.ItemList#

Re-exported alias for lenskit.data.ItemList.

class lenskit.metrics.basic.Accumulator#

Re-exported alias for lenskit.data.accum.Accumulator.

lenskit.metrics.basic.IDSequence#

Re-exported alias for lenskit.data.types.IDSequence.

class lenskit.metrics.basic.ListMetric#

Re-exported alias for lenskit.metrics._base.ListMetric.