rootogram
Oxford Dictionary of Statistics:
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rootogram
A diagram, suggested by Tukey in 1971, that resembles either a histogram with equal-width categories, or a bar chart. However, in the rootogram, it is the square-root of frequency that is plotted on the vertical axis. The diagram gives increased prominence to the less frequent values. See also hanging rootogram.
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Oxford Dictionary of Statistics
A Dictionary of Statistics. Second edition revised. Copyright © Oxford University Press, 2008. All rights reserved.
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