The Hamilton Depression Scale Factor
Hamilton depression scale factor IV is a measurement of mixed anxiety and depression and it is named after its inventor. In a double-blind experiment, this scale factor is obtained for 9 patients on their entry in a study, denoted by X. Post a tranquilizer T, the scale factor IV is again obtained for the same set of patients, which is denoted by Y. Here, an improvement due to tranquilizer T corresponds to a reduction in factor IV values.
data(depression)
A data frame with 9 observations on the following 3 variables.
Patient_NoPatient ID
Xmeasurement of depression at entry in a study
Ymeasurement of depression post a tranquilizer
Sheshkin, D. J. (1997-2011). Handbook of Parametric and Nonparametric Statistical Procedures, 5e. Chapman and Hall/CRC.
data(depression) attach(depression) names(depression) wilcox.test(Y-X, alternative = "less") wilcox.test(Y-X, alternative = "less",exact=FALSE,correct=FALSE)
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