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    Multiple Chi square

    Hi, I have categorical data for each gene: -2, -1, 0, 1, 2 I have 2 groups (group 1 and group 2, with a combined total of 200 cases) and approximately 20,000 genes: I would like to evaluate the frequency of the categorical data for gene 1 in group 1 vs 2; gene 2 in group 1 vs 2; gene 3 in...
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    Frequencies with many variables

    V1 is the grouping variable, either 0 or 1. The subsequent columns are the genes, and they are either altered (1) or not altered (0). I want to know if the groups in V1 are more frequently altered than expected by chance. However, I have about 300 genes (columns) and wanted to analyze each...
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    Frequencies with many variables

    I have one grouping variable: mutant (=1) and non-mutant (=0) I have >100 genes of which are either altered (=1) or not altered (=0) in each group. I would like to analyze whether the genes are altered (=1) more often than by chance within the groups (mutant and non-mutant). I know if I had...