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SPSS® 12.0 Command Syntax Reference

SPSS® 12.0 Command Syntax Reference

SPSS® 12.0 Command Syntax Reference

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MIXED 995<br />

DIAG Diagonal. This is a diagonal structure with heterogenous variance. This is<br />

the default covariance structure for repeated effects.<br />

Example matrix:<br />

FA1 First-order factor analytic with constant diagonal offset ( d ≥ 0 ).<br />

Example matrix:<br />

2<br />

λ1 FAH1 First-order factor analytic with heterogenous diagonal offsets ( dk ≥ 0 ).<br />

Example matrix:<br />

2<br />

λ1 2<br />

σ1 0 0 0<br />

2<br />

0 σ2 0 0<br />

0<br />

2<br />

0 σ3 0<br />

0 0<br />

2<br />

0 σ4 + d λ2λ λ<br />

1 3λ1 λ4λ 1<br />

2<br />

λ2λ1 λ2 + d λ3λ2 λ4λ2 2<br />

λ3λ1 λ3λ2 λ3 + d λ4λ3 2<br />

λ4λ1 λ4λ2 λ4λ3 λ4 + d1 λ2λ 1<br />

λ 3 λ 1<br />

+ d<br />

λ 4 λ 1<br />

2<br />

λ2λ1 λ2 + d2 λ3λ2 λ4λ2 2<br />

λ3λ1 λ3λ2 λ3 + d3 λ4λ3 2<br />

λ4λ1 λ4λ2 λ4λ3 λ4 HF Huynh-Feldt. This is a circular matrix that satisfies the condition<br />

σ 2<br />

i + σj<br />

2 – 2σij =<br />

2λ.<br />

+<br />

d 4

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