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From |
Jeph Herrin <junk@spandrel.net> |

To |
statalist@hsphsun2.harvard.edu |

Subject |
Re: st: RE: adding line y=x |

Date |
Fri, 25 Jun 2010 14:36:52 -0400 |

Thanks Nick and Ivana. -function- is exactly what I was looking for. cheers, Jeph On 6/25/2010 9:25 AM, Ivana Templado wrote:

Jephs, try with twoway scatter var1 var2 || function y = x, ra(var1) clpat(dash) I found it looking for something else, but I think it is what are you looking for. Ivana -----Mensaje original----- De: owner-statalist@hsphsun2.harvard.edu [mailto:owner-statalist@hsphsun2.harvard.edu] En nombre de Jeph Herrin Enviado el: Viernes, 25 de Junio de 2010 10:06 a.m. Para: statalist@hsphsun2.harvard.edu Asunto: st: adding line y=x Is there an easier way to do this? I am trying to add the canonical line y=x to a twoway scatter plot of -var2- vs -var1-; here's the briefest approach: twoway (scatter var2 var1) (line var2 var2) The biggest problem with this is that -var1- and -var2- range from about 2 up to 20, whereas I'd like my line to extend from the origin (0,0). To do that, I have to add an observation which contains the origin, and then arrange things so that the observation is excluded from the scatter plot. The other problems stem from overlaying two graphs, which means that for example I have to fiddle with the labelling on the yaxis, because -twoway- doesn't give precedence to the -scatter- plot. Is there not a simpler way to simply add the diagonal to a scatter plot? If not, I would suggest that this would be a useful feature, much like -yline(), -xline(), and -tline()- which add vertical and horizontal lines. cheers, Jeph * * 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/ __________ Information from ESET NOD32 Antivirus, version of virus signature database 5226 (20100624) __________ The message was checked by ESET NOD32 Antivirus. http://www.eset.com * * 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/

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**References**:**st: adding line y=x***From:*Jeph Herrin <junk@spandrel.net>

**st: RE: adding line y=x***From:*"Ivana Templado" <ivana@fiel.org.ar>

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