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From |
Scott Merryman <scott.merryman@gmail.com> |

To |
statalist@hsphsun2.harvard.edu |

Subject |
Re: st: Text on graphs with categorical axis |

Date |
Fri, 26 Jun 2009 12:31:41 -0500 |

FWIW -graph box- does have a -marker()- option that allows you to label all the outside values for a given marker: graph box mpg, over(fore) marker(1, mlabel(make)) Or you could edit the graph using the editor or by the command line graph box mpg, over(fore) gr_edit plotregion1.outsides[1].label = `"Plym Champ"' Scott On Fri, Jun 26, 2009 at 11:01 AM, Allan Reese (Cefas)<allan.reese@cefas.co.uk> wrote: > It's easy to put text on a graph - text(y x "text") - but the assumption > is that x is in the scale units. This still works when the x axis is > categorical (as in bar, dot, box, etc) but I can't find the gen on how > to map factor levels to distance along scale. It seems to be on a > percentage scale, and guesswork leads to- graph box mpg, over(foreign) > text(34 20 "Plym Champ", place(e)). The calculation would be more > complex with extra levels, nested factors, or adjusted gaps. > > Do others see a need for a notation to deliver the x value along a > categorical axis? It could be used in the text() option or more > generally as an egen function to cover needs such as overlaying other > values or text on boxplots. > > text( 34 xcatpos[foreign==0] "Plym Champ" ) > > Once you admit that the categories have to be mapped to a scale axis for > plotting, it should be feasible to overlay a scatterplot and a boxplot, > which has often seemed sensible to me. > > Happy weekend everyone > Allan > * * 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: Text on graphs with categorical axis***From:*"Allan Reese (Cefas)" <allan.reese@cefas.co.uk>

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