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Results tagged with statistical-power
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user 213352
Is a property of a hypothesis testing method: the probability of rejecting the null hypothesis given that it is false, i.e. the probability of not making a type II error. The power of a test depends on sample size, effect size, and the significance ($\alpha$) level of the test.
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Minimum number of observations per group in a prediction model
I ran a univariate logistic regression analysis on some risk factors for a dichotomous outcome. One of the variables is highly significant, but only has 5 outcomes in one of the groups. The confidence …
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