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From |
Marshall Garland <marshall.w.garland@gmail.com> |

To |
statalist@hsphsun2.harvard.edu |

Subject |
st: Adding a Reference Point to a -tabplot- Graph |

Date |
Fri, 24 Jul 2009 10:26:11 -0500 |

Hello- I'm attempting to generate graphs across multiple levels (schools) that display the percentage of students within a particular school and within a particular subgroup (let's say, gender, or ethnicity, etc.) that accomplished a particular task. The data are longitudinal, so these outcomes are captured across multiple years (two, to be precise). Thus, my X and Y variable are both categorical. -tabplot-, of course, works brilliantly for this. However, I would also like to add a reference point to each category that shows the aggregate percentage (that is, across all schools in a given year, not just a particular one) for each task for each student subgroup. It seems as though some overlay using the addplot option for -tabplot- would work, but I can't seem to figure out how to do this. I've experimented with using -combine graph- to add additional figures of the aggregate results for each year, but I'm unhappy with the results. Here's my syntax thus far: ***figure 2*** levelsof school_name, local(levels) foreach school_name of local levels { tabplot ethniccode enroll_type_final, by (hs_grad_year) percent(ethniccode hs_grad_year) ytitle(, orient(hor)) /// scheme(s2color) showval /// ylabel(, nogrid) legend(nostack rows(1) size(small) nobox region(lcolor(white) lwidth(vvvthin))) /// xtitle(`school_name') xtitle(, justification(center)) /// by(, note(, color(white))) } My data look like this: Student School Year Y X 1 A 2007 1 3 2 A 2008 3 2 4 B 2008 4 5 5 B 2007 1 4 7 C 2007 2 2 8 C 2008 4 4 Any ideas or recommendations would be greatly appreciated. Cheers, -Marshall -tabplot- reference: http://www.stata-journal.com/sjpdf.html?articlenum=gr0004 * * 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**:**st: RE: Adding a Reference Point to a -tabplot- Graph***From:*"Nick Cox" <n.j.cox@durham.ac.uk>

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