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From |
David Airey <david.airey@Vanderbilt.Edu> |

To |
statalist@hsphsun2.harvard.edu |

Subject |
Re: st: graphs |

Date |
Mon, 15 Dec 2008 10:54:14 -0600 |

-Dave On Dec 15, 2008, at 10:27 AM, Victor, Jennifer Nicoll wrote:

Thanks Nick and David. I played around with the mrunning command abit. Unfortunately, it does not seem able to show how the data varyacross time for two variables with respect to the DV. I had hopedto find a way to put this all on one graph. It seems Davidsuggestion of doing this in R is perhaps my only path.To give you an example of what I'm trying to accomplish.... I have adependent variable that is a measure of policy specialization for apanel of members of Congress across 34 years. I want to show howtheir rates of specialization vary depending on (1) whether theysought higher office AND (2) the relative difference in demographicsbetween their district and their state (such as the % of blacks).The only way I can think to show all this on one graph is with a 3-Dgraph. I guess that means using s-plus or R.___________________________________________ Jennifer Nicoll Victor Assistant Professor Department of Political Science University of Pittsburgh 4600 Wesley W. Posvar Hall (412) 624-7204 E-mail: jnvictor@pitt.edu Homepage: http://www.pitt.edu/~jnvictor -----Original Message-----From: owner-statalist@hsphsun2.harvard.edu [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Nick CoxSent: Sunday, December 14, 2008 11:11 AM To: statalist@hsphsun2.harvard.edu Subject: RE: st: graphs I meant -mrunning- from the Stata Journal, as David points out. Nick n.j.cox@durham.ac.uk Nick Cox David I think meant not in official Stata.Jennifer's problem sounds, from another point of view, four-dimensional.Even if it is, -mrunning- from SSC offers another alternative. Nick n.j.cox@durham.ac.uk David Airey No, not in official data.Often there are two dimension reductions that serve just as well.The -vibl- package is one example of useful two dimensional plots, where a 3 dimensional plot is a natural choice, (http://www.ats.ucla.edu/stat/Stata/seminars/stata_vibl/vibl.pdf ).But anyway, you have a free alternative in several R packages, suchas:<http://www.statmethods.net/graphs/scatterplot.html> Commercial packages like JMP 7 or 8 do this kind of plot well. Also Data Desk 7, but development has stopped on this package. On Dec 12, 2008, at 4:02 PM, Victor, Jennifer Nicoll wrote:Can stata make a three-dimensional graph? I want to show how two variables (one dichotomous and one continuous) change over time with respect to a dependent variable. I can envision something three- dimensional getting the point across but haven't found anything in the manuals to lead me in that direction. Is it possible?* * 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/ * * 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/

* * 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/

**References**:**st: graphs***From:*"Victor, Jennifer Nicoll" <jnvictor@pitt.edu>

**Re: st: graphs***From:*David Airey <david.airey@Vanderbilt.Edu>

**RE: st: graphs***From:*"Nick Cox" <n.j.cox@durham.ac.uk>

**RE: st: graphs***From:*"Nick Cox" <n.j.cox@durham.ac.uk>

**RE: st: graphs***From:*"Victor, Jennifer Nicoll" <jnvictor@pitt.edu>

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