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Revisiting Immer’s Barley Data.

This article reexamines the famous barley data that are often used to demonstrate dot plots. Additional sources of supplemental data provide context for interpretation of the original data. Graphical and mixed-model analyses shed new light on the variability in the data and challenge previously held...

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Published in:American Statistician Vol. 67; no. 3; pp. 129 - 134
Main Author: Wright, Kevin
Format: Article
Published: Taylor & Francis Ltd Aug2013
Subjects:
Visualizing Data (Book)
Cleveland, William
Barley varieties
Wolfram language (Computer program language)
SAS (Computer program language)
Online Access:View this record in EBSCOhost
Summary:This article reexamines the famous barley data that are often used to demonstrate dot plots. Additional sources of supplemental data provide context for interpretation of the original data. Graphical and mixed-model analyses shed new light on the variability in the data and challenge previously held beliefs about the accuracy of the data. Supplementary materials for this article are available online.