Variables:
A data frame with 22 observations on the following 5 variables.
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GHQ
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the General Health Questionnaire score.
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sex
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a factor with levels female and male
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cases
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the number of diseased subjects.
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non.cases
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the number of healthy subjects.
Details
The data arise from a study of a psychiatric screening questionnaire called the GHQ (General Health Questionnaire, see Goldberg, 1972). Here the main question of interest is to see how caseness is related to gender and GHQ score.