lenskit.splitting.SampleFrac

class lenskit.splitting.SampleFrac(frac, rng=None)

Bases: HoldoutMethod

Randomly select a fraction of test rows per user/item.

Parameters:

• frac (float) – The fraction items to select for testing.

• rng (Generator) – The random number generator or seed (see Random Seeds).

__init__(frac, rng=None)

Parameters:

• frac (float)

• rng (int | integer[Any] | Sequence[int] | SeedSequence | Generator | BitGenerator | None)

Methods

__init__(frac[, rng])

Attributes

fraction
rng