Number of class

LL

BIC (LL)

p-value

R^2

Model 1

1-class regression

−1724.1727

3510.1833

2.0e−52^***

0.5969

Model 2

2-class regression

−1368.9529

2915.6897

5.7e−12^***

0.9026

Model 3

3-class regression

−1295.6196

2884.9691

2.2e−7^***

0.9412

Model 4

4-class regression

−1265.6902

2941.0565

4.3e−6^***

0.9566

Model 5

5-class regression

−1253.5291

3032.6802

7.2e−6^***

0.9569