#Df

LogLik

Df

Chisq

Pr (>Chisq)

Model 1

30

1379.4

Model 2

27

1376.6

−3

5.5970

0.1330

Model 3

18

1369.9

−9

13.4917

0.1416

Model 4

18

1369.8

0

0.1496

<2e−16***