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

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

Subject |
st: RE: RE: box plot with 2nd variable |

Date |
Mon, 18 Aug 2008 18:43:51 +0100 |

BTW, although I use the mean of the same variable here, there is no syntax or other reason why you could not use the mean of another variable. It's just that I started using mpg and there's no other variable in the auto data which has the same units. -----Original Message----- From: owner-statalist@hsphsun2.harvard.edu [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Nick Cox Sent: 18 August 2008 18:34 To: statalist@hsphsun2.harvard.edu Subject: st: RE: box plot with 2nd variable I think the answer is No with -graph box-. With -stripplot- from SSC you can do things like this: . sysuse auto (1978 Automobile Data) . egen mean = mean(mpg), by(rep78) . sort rep78 . stripplot mpg, over(rep78) vertical stack box addplot(line mean rep78) . stripplot mpg, over(rep78) vertical stack box addplot(connect mean rep78) which sounds similar to what you want. There are several other options: see the help. -stripplot- has a built-in tendency to showing all data points, not just those beyond quartiles +/- 1.5 IQR. It is not designed as a clone of -graph box-, but it shares some features. Nick n.j.cox@durham.ac.uk Cathy L. Antonakos I am wondering if it is possible to add a connected line to a box plot. The line would connect points representing the average value of a second variable for each group. The syntax I am using without the second variable is: graph box index, over(id) * * 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: box plot with 2nd variable***From:*"Cathy L. Antonakos" <cathya@umich.edu>

**st: RE: box plot with 2nd variable***From:*"Nick Cox" <n.j.cox@durham.ac.uk>

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