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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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612 GENLOG<br />

CONVERGE(n) Convergence criterion. Specify a positive value for the convergence<br />

criterion. The default is 0.001.<br />

ITERATE(n) Maximum number of iterations. Specify an integer. The default number is 20.<br />

DELTA(n) Cell delta value. Specify a non-negative value to add to each cell frequency<br />

for the first iteration. (For the saturated model, the delta value is added for all<br />

iterations.) The default is 0.5. The delta value is used to solve mathematical<br />

problems created by 0 observations; if all of your observations are greater<br />

than 0, we recommend that you set DELTA to 0.<br />

CIN(n) Level of confidence interval. Specify the percentage interval used in the test<br />

of generalized log-odds ratios and parameter estimates. The value must be<br />

between 50 and 99.99, inclusive. The default is 95.<br />

EPS(n) Epsilon value used for redundancy checking in design matrix. Specify a positive<br />

value. The default is 0.00000001.<br />

DEFAULT Default values are used. DEFAULT can be used to reset all criteria to default<br />

values.<br />

Example<br />

GENLOG DPREF BY RACE ORIGIN CAMP<br />

/MODEL=MULTINOMIAL<br />

/CRITERIA=ITERATION(50) CONVERGE(.0001).<br />

• ITERATION increases the maximum number of iterations to 50.<br />

• CONVERGE lowers the convergence criterion to 0.0001.<br />

PRINT Subcommand<br />

PRINT controls the display of statistics.<br />

• By default, GENLOG displays the frequency table and simple, adjusted, and deviance<br />

residuals.<br />

• When PRINT is specified with one or more keywords, only the statistics requested by<br />

these keywords are displayed.<br />

• When multiple PRINT subcommands are specified, the last specification takes effect.<br />

The following keywords can be used on PRINT:<br />

FREQ Observed and expected cell frequencies and percentages. This is displayed<br />

by default.<br />

RESID Simple residuals. This is displayed by default.<br />

ZRESID Standardized residuals.<br />

ADJRESID Adjusted residuals. This is displayed by default.<br />

DEV Deviance residuals. This is displayed by default.

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