lenskit.splitting.LastFrac

class lenskit.splitting.LastFrac(frac, field='timestamp')

Bases: HoldoutMethod

Select a fraction of test rows per user/item.

Stability:

Caller (see Stability Levels).

Parameters:

• frac (double) – the fraction of items to select for testing.

• field (str)

__init__(frac, field='timestamp')

Parameters:

• frac (float)

• field (str)

Methods

__init__(frac[, field])

Attributes

fraction
field