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Sample Histogram

  • Question:
    What distribution?
    Outliers?

  • Definition:
    Vertical Axis: Frequency (= Counts)
    Horizontal Axis: Response Variable

  • Interpretation/Conclusion:
    Symmetric
    Not normal
    U-shaped (bimodal, short-tailed)

  • NIST/SEMATECH Handbook Chapter:
    1. Exploratory Data Analysis

  • References:
    Chambers, Cleveland, Kleiner, and Tukey (1983), Graphical Methods for Data Analysis, Wadsworth.

    Scott (1992), Multivariate Density Estimation: Theory, Practice, and Visualization, John Wiley and Sons.

Dataplot Command: HISTOGRAM Y
Dataplot Code:
SKIP 25
READ XXX.DAT Y
HISTOGRAM Y

Dataplot Reference Manual Documentation for HISTOGRAM


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Date created: 06/05/2001
Last updated: 09/30/2016

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