A measure of similarity for response curves based on ranks.
A measure of similarity for response curves is presented and its potential use is discussed. The distribution of a suitable test statistic for testing the independence of the course of two curves is derived. The method proposed is compared with other proposals in the literature for the analysis of paired response curves. A study on the quality of life of patients with acute heart failure is used as an example.
Schulgen
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Institute of Medical Biometry and Informatics, University of Freiburg, F.R.G.
D002303:Cardiac Output, Low / Q000453:epidemiology / Q000523:psychology* / Q000628:therapy; D004417:Dyspnea / Q000175:diagnosis; D004487:Edema / Q000175:diagnosis; D005163:Factor Analysis, Statistical; D006801:Humans; D011788:Quality of Life