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Table 3 Solution for random effects from models fitted with heterogeneous among-year variance

From: Sand lizard (Lacerta agilis) phenology in a warming world

Effect

Variance (S.E.)

−2 LogL

χ 2

d.f.

P

Null

 

3825.2

   

Year

36.721 (15.000)

3562.6

262.6

1

<.0001

Random intercept

3.633 (1.758)

3557.4

5.2

1

0.0225

Random slope

0 (.)

3557.1

0.3

2

0.8607

Residual error

Variance (S.E.)

 

Residual error

 

Variance (S.E.)

1987

55.535 (19.263)

 

2001

 

20.434 (5.501)

1988

12.301 (4.856)

 

2002

 

25.320 (5.370)

1989

8.7973 (3.3268)

 

2003

 

18.956 (4.536)

1990

67.012 (16.763)

 

2004

 

57.974 (12.454)

1991

46.235 (20.580)

 

2005

 

18.206 (4.176)

1998

14.3431 (4.930)

 

2006

 

10.535 (4.451)

1999

16.5202 (4.585)

 

2007

 

35.037 (8.939)

2000

41.3448 (9.956)

    
  1. The most parsimonious model is denoted in bold face and the annual residual errors refer to this model. A covariance term between individual intercepts and slopes is included in the Random slope-model, hence d.f. = 2