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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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VARCOMP 1639<br />

INCLUDE Include the intercept term. The intercept (constant) term is included in the<br />

model. This is the default when INTERCEPT is not specified.<br />

EXCLUDE Exclude the intercept term. The intercept (constant) term is excluded from<br />

the model. EXCLUDE is ignored if you specify the keyword INTERCEPT on<br />

the DESIGN subcommand.<br />

MISSING Subcommand<br />

By default, cases with missing values for any of the variables on the VARCOMP variable list<br />

are excluded from the analyses. The MISSING subcommand allows you to include cases with<br />

user-missing values.<br />

• Pairwise deletion of missing data is not available in VARCOMP.<br />

• If more than one MISSING subcommand is specified, only the last one is in effect.<br />

EXCLUDE Exclude both user-missing and system-missing values. This is the default<br />

when MISSING is not specified.<br />

INCLUDE User-missing values are treated as valid. System-missing values cannot be<br />

included in the analysis.<br />

REGWGT Subcommand<br />

REGWGT specifies the weight variable. Values of this variable are used as regression weights<br />

in a weighted least squares model.<br />

• Specify one numeric variable name on the REGWGT subcommand.<br />

• Cases with nonpositive values in the regression weight variable are excluded from the<br />

analyses.<br />

• If more than one variable is specified on the same REGWGT subcommand, only the last<br />

variable is in effect.<br />

• If more than one REGWGT subcommand is specified, only the last one is in effect.<br />

CRITERIA Subcommand<br />

The CRITERIA subcommand specifies numerical tolerance for checking singularity and<br />

offers control of the iterative algorithm used for ML or REML estimation.<br />

• Multiple CRITERIA subcommands are allowed.<br />

• The last specified value for any keyword takes effect. If none is specified, the default is<br />

used.<br />

EPS(n) Epsilon value used as tolerance in checking singularity. n must be a positive<br />

value. The default is 1.0E-8.<br />

CONVERGE(n) Convergence criterion. Convergence is assumed if the relative change in the<br />

objective function is less than the specified value. n must be a positive value.

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