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  1. S

    No margins for chi-squared test with multiple categories?

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  2. S

    Chi-square test followed by testing with subgroups

    Just checking that I'm thinking about this right... I have the number of units sold for 3 years by season: Spring 3000 Summer 3500 Autumn 4000 Winter 5500 If I run a chi-square test of independence with: alpha = 0.05, and expected value for each cell = 4000, I would find the number of units...
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    correlation: "raw binary outcome" versus "summary means + confidence intervals"

    My outcome is binary (success/fail) and I'm trying to correlate it with continuous variable x. Maybe I'm trying to make a distinction between correlating x with success versus correlating x with success *rate*. Here is the problem I run into. Suppose my data were: x=[0 0 0 0 0 1 1 1 1 1 2 2 2...