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HANGROOT: Stata module creating a hanging rootogram comparing an empirical distribution to the best fitting theoretical distribution

Author

Listed:
  • Maarten L. Buis

    (University of Konstanz)

Programming Language

Stata

Abstract

hangroot draws a hanging rootogram comparing the empirical distribution of a variable to the best fitting theoretical distribution. It is an alternative for histogram with the theoretical density function plotted on top. It differs from a histogram in two ways: 1) Instead of showing the freqencies it shows the square root of the frequencies. This way deviations in the tails, where the counts are small, become more visible. 2) The spikes or bars "hang" from the theoretical distribution instead of "standing" on the x-axis. The deviations are now shown as deviations from a horzontal line (y=0) instead of deviations from a curve (the density function). This makes it easier to spot patterns in the deviations.

Suggested Citation

  • Maarten L. Buis, 2007. "HANGROOT: Stata module creating a hanging rootogram comparing an empirical distribution to the best fitting theoretical distribution," Statistical Software Components S456886, Boston College Department of Economics, revised 18 May 2011.
    • Handle: RePEc:boc:bocode:s456886
    Note: This module should be installed from within Stata by typing "ssc install hangroot". The module is made available under terms of the GPL v3 (https://www.gnu.org/licenses/gpl-3.0.txt). Windows users should not attempt to download these files with a web browser.
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    File URL: http://fmwww.bc.edu/repec/bocode/h/hangroot.ado
    File Function: program code
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    File URL: http://fmwww.bc.edu/repec/bocode/h/hangroot.hlp
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    File URL: http://fmwww.bc.edu/repec/bocode/h/hangr_beta.ado
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    File URL: http://fmwww.bc.edu/repec/bocode/h/hangr_chi2.ado
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    File URL: http://fmwww.bc.edu/repec/bocode/h/hangr_dagum.ado
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    File URL: http://fmwww.bc.edu/repec/bocode/h/hangr_exponential.ado
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    File URL: http://fmwww.bc.edu/repec/bocode/h/hangr_fisk.ado
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    File URL: http://fmwww.bc.edu/repec/bocode/h/hangr_gamma.ado
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    File URL: http://fmwww.bc.edu/repec/bocode/h/hangr_gb2.ado
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    File URL: http://fmwww.bc.edu/repec/bocode/h/hangr_geometric.ado
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    File URL: http://fmwww.bc.edu/repec/bocode/h/hangr_gev.ado
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    File URL: http://fmwww.bc.edu/repec/bocode/h/hangr_gumbel.ado
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    File URL: http://fmwww.bc.edu/repec/bocode/h/hangr_invgamma.ado
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    File URL: http://fmwww.bc.edu/repec/bocode/h/hangr_laplace.ado
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    File URL: http://fmwww.bc.edu/repec/bocode/h/hangr_logistic.ado
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    File URL: http://fmwww.bc.edu/repec/bocode/h/hangr_lognormal.ado
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    File URL: http://fmwww.bc.edu/repec/bocode/h/hangr_normal.ado
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    File URL: http://fmwww.bc.edu/repec/bocode/h/hangr_pareto.ado
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    File URL: http://fmwww.bc.edu/repec/bocode/h/hangr_poisson.ado
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    File URL: http://fmwww.bc.edu/repec/bocode/h/hangr_sm.ado
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    File URL: http://fmwww.bc.edu/repec/bocode/h/hangr_theoretical.ado
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    File URL: http://fmwww.bc.edu/repec/bocode/h/hangr_zinb.ado
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    File URL: http://fmwww.bc.edu/repec/bocode/h/hangr_zip.ado
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    File URL: http://fmwww.bc.edu/repec/bocode/h/hangr_parsedist.ado
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    File URL: http://fmwww.bc.edu/repec/bocode/h/hangr_parseopts.ado
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    File URL: http://fmwww.bc.edu/repec/bocode/h/hangr_parsesample.ado
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    File URL: http://fmwww.bc.edu/repec/bocode/h/hangr_ci.ado
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    File URL: http://fmwww.bc.edu/repec/bocode/h/hangr_graph.ado
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    File URL: http://fmwww.bc.edu/repec/bocode/h/hangroot_ex.ado
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    File URL: http://fmwww.bc.edu/repec/bocode/c/citybudget.dta
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    Citations

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    Cited by:

    1. Vladimir Hlasny, 2021. "Parametric representation of the top of income distributions: Options, historical evidence, and model selection," Journal of Economic Surveys, Wiley Blackwell, vol. 35(4), pages 1217-1256, September.

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