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From |
"Nick Cox" <n.j.cox@durham.ac.uk> |

To |
<statalist@hsphsun2.harvard.edu> |

Subject |
st: RE: Bar chart to display results from crosstabs |

Date |
Thu, 12 Feb 2009 17:41:05 -0000 |

-graph bar- is not much use directly. You would need to do some pre-processing first. (The essential reason is that -graph bar- is a wrapper for -collapse-, not -contract-.) See -catplot- and -tabplot- on SSC which give more direct solutions. Also, -spineplot- on the Stata Journal site. Use -findit- to get locations. And two papers in the Stata Journal itself: SJ-8-1 gr0031 . . . . . . . . . . . Speaking Stata: Spineplots and their kin (help spineplot if installed) . . . . . . . . . . . . . . . N. J. Cox Q1/08 SJ 8(1):105--121 discusses spineplots (mosaic plots), a type of bar chart for showing frequencies, proportions, or percentages of cross- classified categorical variables SJ-4-2 gr0004 . Speaking Stata: Graphing categorical and compositional data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N. J. Cox Q2/04 SJ 4(2):190--215 (no commands) discusses graphical possibilities for categorical and compositional data The last is accessible to all under the SJ's 3-year rule. Nick n.j.cox@durham.ac.uk Geoffrey Wallace, Ph.D. candidate I want to use a bar chart to display in a more visual manner the column percentages from a crosstab for two dichotomous variables, such as democracy and first violator. For the two-way table, I used the command --tab democ firstviol, column-- Which gives the following output. First | Democracy violator | No Yes | Total -----------+----------------------+---------- No | 89 40 | 129 | 57.05 72.73 | 61.14 -----------+----------------------+---------- Yes | 67 15 | 82 | 42.95 27.27 | 38.86 -----------+----------------------+---------- Total | 156 55 | 211 | 100.00 100.00 | 100.00 The final product I would hope for in the corresponding bar would have two separate pairs of columns. The first fair would have the relative percentages for democracies (democ=1) and nondemocracies (democ=0) that are not first violators (firstviol=0) (i.e. 72.73 and 57.05), and the second would be the corresponding pair for first violators (firstviol=1) (i.e. 27.27 and 42.95). I'm assuming I would use some version of the -graph bar- command, but I'm having trouble figuring how to specify the column percentages. * * 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: RE: Bar chart to display results from crosstabs***From:*Geoffrey Wallace <gw46@cornell.edu>

**References**:**st: Bar chart to display results from crosstabs***From:*Geoffrey Wallace <gw46@cornell.edu>

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