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Graphing confidence ellipses: An update of ellip for Stata 8

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  • Anders Alexandersson

    (Mississippi State University)

Abstract

This paper describes an update of the ellip command for graphing confidence ellipses in Stata 8. Two of the most notable new features are the option to graph confidence ellipses around variable means and the ability to add inscribed lines. These features allow a geometric characterization of linear regression with unequal error variances, as in McCartin (2003). Copyright 2004 by StataCorp LP.

Suggested Citation

  • Anders Alexandersson, 2004. "Graphing confidence ellipses: An update of ellip for Stata 8," Stata Journal, StataCorp LP, vol. 4(3), pages 242-256, September.
    • Handle: RePEc:tsj:stataj:v:4:y:2004:i:3:p:242-256
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    References listed on IDEAS

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    1. Wachsmuth A. & Wilkinson L. & Dallal G.E., 2003. "Galtons Bend: A Previously Undiscovered Nonlinearity in Galtons Family Stature Regression Data," The American Statistician, American Statistical Association, vol. 57, pages 190-192, August.
    2. Friendly M., 2002. "Corrgrams: Exploratory Displays for Correlation Matrices," The American Statistician, American Statistical Association, vol. 56, pages 316-324, November.
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    Citations

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    Cited by:

    1. Joe Hirschberg and Jenny Lye, 2009. "Notes on the Construction of Geometric Representations of Confidence Intervals of Ratios using Stata, Gauss and Eviews," Department of Economics - Working Papers Series 1061, The University of Melbourne.
    2. Martin Connock & Peter Auguste & Xavier Armoiry, 2021. "A comparison of published time invariant Markov models with Partitioned Survival models for cost effectiveness estimation; three case studies of treatments for glioblastoma multiforme," The European Journal of Health Economics, Springer;Deutsche Gesellschaft für Gesundheitsökonomie (DGGÖ), vol. 22(1), pages 89-100, February.
    3. Roger M. Harbord & Penny Whiting, 2009. "metandi: Meta-analysis of diagnostic accuracy using hierarchical logistic regression," Stata Journal, StataCorp LP, vol. 9(2), pages 211-229, June.
    4. J.G. Hirschberg & J. N. Lye, 2007. "Providing Intuition to the Fieller Method with Two Geometric Representations using STATA and Eviews," Department of Economics - Working Papers Series 992, The University of Melbourne.
    5. Richard A. Forshee & Maureen L. Storey & Michael E. Ginevan, 2005. "A Risk Analysis Model of the Relationship Between Beverage Consumption from School Vending Machines and Risk of Adolescent Overweight," Risk Analysis, John Wiley & Sons, vol. 25(5), pages 1121-1135, October.
    6. Nuriah Abd Majid & Nurafiqah Muhamad Nazi & Ahmad Fariz Mohamed, 2019. "Distribution and Spatial Pattern Analysis on Dengue Cases in Seremban District, Negeri Sembilan, Malaysia," Sustainability, MDPI, vol. 11(13), pages 1-14, June.
    7. Hirschberg, J.G. & Lye, J.N., 2010. "Two geometric representations of confidence intervals for ratios of linear combinations of regression parameters: An application to the NAIRU," Economics Letters, Elsevier, vol. 108(1), pages 73-76, July.
    8. Xavier Armoiry & Jean-François Obadia & Peter Auguste & Martin Connock, 2020. "Conflicting findings between the Mitra-Fr and the Coapt trials: Implications regarding the cost-effectiveness of percutaneous repair for heart failure patients with severe secondary mitral regurgitati," PLOS ONE, Public Library of Science, vol. 15(11), pages 1-12, November.

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