Graphical Analyses of a Two-Period Crossover Design

Rosenbaum developed the sliding-square plot to display simultaneously a scatterplot of paired data, a boxplot of their differences, and a boxplot of each marginal distribution. We extend the sliding-square plot to include the two-period, two-treatment crossover sum-difference plot, with correspondin...

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Veröffentlicht in:The American statistician 1994-08, Vol.48 (3), p.249-253
Hauptverfasser: Pontius, Jeffrey S., Schantz, Rhoda M.
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description Rosenbaum developed the sliding-square plot to display simultaneously a scatterplot of paired data, a boxplot of their differences, and a boxplot of each marginal distribution. We extend the sliding-square plot to include the two-period, two-treatment crossover sum-difference plot, with corresponding boxplots of scaled sums and differences for each sequence. The plot is useful for displaying characteristics of the data together with evaluating carryover effects, treatment effects and the assumptions under which they are tested.
doi_str_mv 10.1080/00031305.1994.10476070
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identifier ISSN: 0003-1305
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source Jstor Complete Legacy; Periodicals Index Online; JSTOR Mathematics & Statistics
subjects Boxplot
Carryover
Clinical trials
Crossovers
Design analysis
Design evaluation
Exact sciences and technology
Exploratory plot
Fences
Graph theory
Graphic design
Graphs
Linear inference, regression
Mathematical models
Mathematics
Outliers
Perpendicular lines
Probability and statistics
Sciences and techniques of general use
Sliding-square plot
Statistical Practice
Statistics
Sum-difference plot
Sweetness
title Graphical Analyses of a Two-Period Crossover Design
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