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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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CROSSTABS 323<br />

CORR Display Pearson’s r and Spearman’s correlation coefficient in the<br />

Symmetric Measures table. This is available for numeric data only.<br />

KAPPA Display kappa coefficient (Kraemer, 1982) in the Symmetric Measures table.<br />

Kappa can be computed only for square tables in which the row and column<br />

values are identical.<br />

RISK Display relative risk (Bishop et al., 1975) in the Risk Estimate table. Relative<br />

risk can be calculated only for 2× 2 tables.<br />

MCNEMAR Display a test of symmetry for square tables. The McNemar test is displayed<br />

for 2× 2 tables, the McNemar-Bowker test for larger tables.<br />

CMH(1*) Conditional independence and homogeneity tests. Cochran’s and the Mantel-<br />

Haenszel statistics are computed for the test for conditional independence.<br />

The Breslow-Day and Taron’s statistics are computed for the test for homogeneity.<br />

For each test, the chi-squared statistic with its degrees of freedom and<br />

asymptotic p value are computed. Mantel-Haenszel relative risk (common<br />

odds ratio) estimate. The Mantel-Haenszel relative risk (common odds ratio)<br />

estimate, the natural log of the estimate, the standard error of the natural log<br />

of the estimate, the asymptotic p value, and the asymptotic confidence intervals<br />

for common odds ratio and for the natural log of the common odds ratio<br />

are computed. The user can specify the null hypothesis for the common odds<br />

ratio in parentheses after the keyword. The passive default is 1. (The parameter<br />

value must be positive.)<br />

ALL All statistics available.<br />

NONE No summary statistics. This is the default if STATISTICS is omitted.<br />

METHOD Subcommand<br />

METHOD displays additional results for each statistic requested. If no METHOD subcommand<br />

is specified, the standard asymptotic results are displayed. If fractional weights have been specified,<br />

results for all methods will be calculated on the weight rounded to the nearest integer.<br />

MC Displays an unbiased point estimate and confidence interval based on the<br />

Monte Carlo sampling method, for all statistics. Asymptotic results are also<br />

displayed. When exact results can be calculated, they will be provided instead<br />

of the Monte Carlo results.<br />

CIN(n) Controls the confidence level for the Monte Carlo estimate. CIN is available<br />

only when /METHOD=MC is specified. CIN has a default value of 99.0. You<br />

can specify a confidence interval between 0.01 and 99.9, inclusive.<br />

SAMPLES Specifies the number of tables sampled from the reference set when calculating<br />

the Monte Carlo estimate of the exact p value. Larger sample sizes lead<br />

to narrower confidence limits but also take longer to calculate. You can<br />

specify any integer between 1 and 1,000,000,000 as the sample size.<br />

SAMPLES has a default value of 10,000.

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