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The Half-Half Plot

Summary: The authors present the Half-Half (HH) plot, a new graphical method for qualitative analysis of the shape of a regression curve. The empirical HH plot counts observations in the lower and upper quarter of a strip moving across the scatterplot. It clearly displays jumps and reveals other features of the regression curve. A functional central limit theorem is presented for the empirical HH plot.

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  • Topics: Statistics
  • Keywords: Central Limit Theorem, Data analysis, Graphical methods, Nonparametric methods, Regression analysis, Jump detection
  • Author: Einmahl, John H.J.; Gantner, Maria
  • Journal: Technometrics