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From |
Marcos Vinicius <bioestatistico@inbox.com> |

To |
statalist@hsphsun2.harvard.edu |

Subject |
Re: st: Can Spearman's rho be used to measure of the degree of association between two binary variables ? |

Date |
Sun, 20 May 2012 14:19:40 -0800 |

Hello, I will try to explain with more details. I was conducting a multicollinearity diagnostic analysis for a logistic regression using spearman correlation and VIF. Important detail:All the covariates are binary variables.Considering that when both(2) variables are dichotomous, a Pearson correlation coefficient is equivalent to the phi coefficient and to Spearman coefficient,would not be wrong write in the statistical analysis text(topic) that multicollinearity was conducted using spearman correlation or I have to change the words “spearman correlation” to “Phi coefficient”(in the text) to be 100% correct in terms of methodology description.? REgards, Marcos. > -----Original Message----- > From: stoll@rice.edu > Sent: Sun, 20 May 2012 16:24:41 -0500 > To: statalist@hsphsun2.harvard.edu > Subject: Re: st: Can Spearman's rho be used to measure of the degree of > association between two binary variables ? > > A classic article in political science that compares a wide variety of > measures for 2 by 2 tables is: > > Weisberg, Herbert F. 1974. “Models of Statistical Relationship.” The > American Political Science Review 68(4): 1638–1655. > > -- > ----------------------------------------------------------------- > Richard J. Stoll * Albert Thomas Professor of Political Science * > Rice University * Political Science MS 24 * P.O. Box 1892 * Houston > TX 77251-1892 * stoll@rice.edu * 713-348-3362 * FAX: 713-348-5273 > * > * For searches and help try: > * http://www.stata.com/help.cgi?search > * http://www.stata.com/support/statalist/faq > * http://www.ats.ucla.edu/stat/stata/ ____________________________________________________________ FREE 3D MARINE AQUARIUM SCREENSAVER - Watch dolphins, sharks & orcas on your desktop! Check it out at http://www.inbox.com/marineaquarium * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/

**Follow-Ups**:**Re: st: Can Spearman's rho be used to measure of the degree of association between two binary variables ?***From:*Maarten Buis <maartenlbuis@gmail.com>

**Re: st: Can Spearman's rho be used to measure of the degree of association between two binary variables ?***From:*Maarten Buis <maartenlbuis@gmail.com>

**References**:*From:*"Richard J. Stoll" <stoll@rice.edu>

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