. Author manuscript; available in PMC: 2009 Apr 23.

Published in final edited form as: Biometrika. 2008;95(3):601–619. doi: 10.1093/biomet/asn035

Table 1.

Sample mean and mean squared error (MSE) of variance and correlation parameters in the simulation of § 6. ‘Joint’ and ‘Separate’ refer to, respectively, the joint modelling and separate modelling approach. A number marked with an asterisk equals the actual number multiplied by 100

Parameter

ρ₁

ρ₂

D_α

D_β₁

D_β₂

σ_{ε}^{2}

σ_{ξ}^{2}

Joint

True

−0·80

−0·45

36·00

16·00

0·25

Mean

−0·74

−0·49

35·03

35·38

13·08

0·22

0·21

MSE

2·71^*

3·91^*

72·11

93·52

25·05

0·15^*

0·27^*

Separate

Mean

−0·58

−0·37

35·24

36·75

12·88

0·22

0·19

MSE

6·65^*

3·27^*

75·07

107·70

30·39

0·19^*

0·43^*