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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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332 CSDESCRIPTIVES<br />

• CDSDESCRIPTIVES will estimate the sum, its standard error, and 95% confidence interval<br />

for variables Y1 and Y2.<br />

• In addition, t tests will be performed for the Y1 and Y2 sums. For the Y1 sum, the null<br />

hypothesis value is 10. For the Y2 sum, it is 20.<br />

CSDESCRIPTIVES<br />

/PLAN FILE = ‘c:\survey\myfile.xml’<br />

/JOINTPROB FILE = ‘c:\survey\myfile.sav’<br />

/RATIO NUMERATOR = y1 DENOMINATOR = y2.<br />

• The JPROBFILE subcommand specifies that joint inclusion probabilities are given in the<br />

file ‘c:\survey\myfile.sav’. Joint inclusion probabilities are required for<br />

UNEQUAL_WOR estimation.<br />

• CSDESCRIPTIVES will estimate the ratio Y1/Y2 and its standard error.<br />

PLAN Subcommand<br />

The PLAN subcommand specifies the name of an XML file containing analysis design specifications.<br />

This file is written by the CSPLAN procedure.<br />

The PLAN subcommand is required.<br />

FILE Specifies the name of an external file.<br />

JOINTPROB Subcommand<br />

The JOINTPROB subcommand is used to specify the file containing the first stage joint inclusion<br />

probabilities for UNEQUAL_WOR estimation. The CSSELECT procedure writes this<br />

file in the same location and with the same name (but different extension) as the plan file.<br />

When UNEQUAL_WOR estimation is specified, the CSDESCRIPTIVES procedure will use<br />

the default location and name of the file unless the JOINTPROB subcommand is used to override<br />

them.<br />

FILE Specifies the name of the joint inclusion probabilities file.<br />

SUMMARY Subcommand<br />

The SUMMARY subcommand specifies the analysis variables used by the MEAN and SUM<br />

subcommands.<br />

• A variable list is required only if means or sums are to be estimated. If only ratios are to<br />

be estimated (i.e., if the RATIO subcommand is specified but the MEAN and SUM subcommands<br />

are not), then the SUMMARY subcommand is ignored.<br />

• All specified variables must be numeric.<br />

• All specified variables must be unique.

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