Conover's Two-Sample Squared Ranks Test Matlab script

Publisher review:
Conover's Two-Sample Squared Ranks Test for Equality of Variance 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: · MATLAB Release: R13 · Statistics Toolbox
Operating system:
Windows / Linux / Mac OS / BSD / Solaris

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