Algorithm

Online Cost

MAE (ML)

MAE (FT)

ROC (ML)

ROC (FT)

Coverage (ML)

Coverage (FT)

Userbased

NM²

0.792

1.442

0.402

0.643

99.42

96.61

Itembased

N²

0.791

1.441

0.384

0.623

99.22

92.31

Boosted_RDF

N²

0.725

1.363

0.563

0.755

100

99.19

NaiveBayes

M (NP)

0.833

1.472

0.623

0.835

100

99.99

Naivehybrid

NM² + M

0.822

1.462

0.525

0.725

100

99.99

Personality diagnosis

NM

0.785

1.433

0.521

0.735

99.14

94.23