Conover's Two-Sample Squared Ranks Test for Equality of Variance 1.0

Date Added: April 04, 2013 | Visits: 561

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Performs the nonparametric squared ranks test on quality of variance for two samples. Based on Conover (1981), 'Practical Nonparametric Statistics', pp. 239-248.Uses normal approximation for for m >10 (MATLAB fxn norminv or table if norminv unavailable). Uses normal approximation if ties exist. Uses tabulated critical values from Conover if small samples sizes and no ties.Input:x vector;y vector;type I error rate;alternative hypothesis type (upper, lower, two-sided)Output:squared ranks test statistic if no ties;squared ranks test statistic if ties;decision (1 reject; 0 fail to reject);Type I error rate;alternative hypothesis type;lower side critical value;upper side critical value.

Requirements: No special requirements

Platforms: Matlab

Keyword: Alternative, Critical, Error, Hypothesis, Input, Sizes, Small, Tabulated, Values, Vector

Users rating: 0/10

License: Shareware

Size: 10 KB

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CONOVER'S TWO-SAMPLE SQUARED RANKS TEST FOR EQUALITY OF VARIANCE RELATED

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