Exploration & description/ANOVA or REML?

For REML we need to click the Options button in the dialogue box to ensure that the items 'Model', 'Variance components', 'Estimated effects', 'Stratum variances', 'Deviance' and 'Wald Tests' are included for display; we also need to ensure that the 'Fisher scoring method' is clicked for the 'Optimisation method' as this is necessary for calculating stratum variances.

 
***** REML Variance Components Analysis *****

Response Variate : WEANWT

*** Approximate stratum variances ***
                                      Effective d.f.
*units*            4.933         688.00

*** Wald tests for fixed effects ***

Fixed term

Wald statistic

d.f.

Wald/d.f.

Chi-sq prob

* Sequentially adding terms to fixed model

YEAR

244.93

   5

48.99

<0.001

SEX

11.35

   1

11.35

<0.001

AGEWEAN

69.78

   1

69.78

<0.001

DL

30.72

   1

30.72

<0.001

DQ

55.91

   1

55.91

<0.001

RAM_BRD

9.10

   1

9.10

0.003

EWE_BRD

6.13

   1

6.13

0.013

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