cochran's q test

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    Heterogeneity calculation based on odds ratios and confidence intervals

    Hi, I wonder if you might be able to help with testing for heterogeneity (Cochran's q or I-squred) in meta-analysing genotypic odds ratios in two groups from two different genetic associations studies of the same phenotype. (This question pertains to genetics, but the principle, I believe, is...
  2. B

    Multiple Comparison of Percentages from Binary Within-Subjects Reponse Trials

    I have searched and read a lot about this but I'm still unsure which test is suitable for the following situation. Data come from a few hundred participants who saw, in each of several trials, a pair of stimuli and made a binary judgment (indicating which stimulus in the pair has a certain...
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    Significance test for 13 dichotomous DVs?

    I am studying unprofessional conduct. I have every case of misconduct over a 5-year period. I am curious if misconduct varies by education level. As you can see, misconduct is broken into 13 mutually exclusive categories, with a binary coding scheme. Theoretically, all 13 charges could exist...
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    Help with ranking data from pairwise comparison

    I am looking for a way to visualize pairwise comparisons from a non-parametric statistical test called Cochran's Q test. I am using the function below which returns the test statistic and p-value for each comparison. nprod <- ncol(mydf) pd <- sort(colnames(mydf)) cb <- combn(pd,2) nb...