predict: Generate predictions.

In rrecsys: Environment for Evaluating Recommender Systems

Description

Generate predictions on any of the previously trained models.

Arguments

model	A previously trained model, see rrecsys
Round	object of class "logical", if TRUE all the predictions are rounded to integer values, else values are returned as calculated.

Value

All unrated items are predicted and the entire matrix is returned with the new ratings.

See Also

rrecsys, IBclass, SVDclass.

Examples

data("mlLatest100k")

smallMl <- mlLatest100k[1:50, 1:100]

exExpl <- defineData(smallMl)

model1exp <- rrecsys(exExpl, alg = "funk", k = 10, learningRate = 0.01, regCoef = 0.001)

pre1 <- predict(model1exp, Round = TRUE) 

rrecsys documentation built on June 10, 2019, 1:02 a.m.