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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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Keyword Default Root Name Description<br />

INCLPROB InclusionProbability_ Stagewise inclusion<br />

(selection)<br />

probabilities. The<br />

proportion of units<br />

drawn from the<br />

population at a<br />

ESTIMATOR Subcommand<br />

particular stage.<br />

CUMWEIGHT SampleWeightCumulative_ Cumulative sampling<br />

weight for a given<br />

stage. Takes into<br />

account prior stages.<br />

INDEX Index_ Duplication index for<br />

units selected in a<br />

given stage. The index<br />

uniquely identifies<br />

units selected more<br />

than once when<br />

sampling is done with<br />

replacement.<br />

POPSIZE PopulationSize_ Population size for a<br />

given stage<br />

SAMPSIZE SampleSize_ Number of units<br />

drawn at a given<br />

stage.<br />

RATE SamplingRate_ Stagewise sampling<br />

CSPLAN 365<br />

Generated<br />

Automatically<br />

When Sample<br />

Executed?<br />

Yes<br />

The ESTIMATOR subcommand is used to choose an estimation method for the current stage.<br />

There is no default estimator.<br />

Available estimators depend on the stage:<br />

• EQUAL_WOR can be specified in any stage of the design.<br />

• UNEQUAL_WOR can be specified in the first stage only. An error occurs if it is used in<br />

stage two or three.<br />

• WR can be specified in any stage. However, the stage in which it is specified is treated as<br />

the last stage. Any subsequent stages are ignored when the data are analyzed.<br />

rate.<br />

WEIGHT SampleWeight_ Sampling weight for a<br />

given stage. The<br />

inverse of the<br />

stagewise inclusion<br />

probability. Stage<br />

weights are positive<br />

for each unit selected<br />

in a particular stage.<br />

Yes<br />

Yes, when<br />

sampling is<br />

done with<br />

replacement.<br />

No<br />

No<br />

No<br />

No

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