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

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

Subject |
st: RE: Graphical questions(box, histogram, pnorm) |

Date |
Wed, 26 Aug 2009 16:29:32 +0100 |

1) This sounds bad. Your Stata installation may be messed up: e.g. executable and ados not updated synchronously. Sort that out before addressing 2) and 3). 2) Superimpose a call to -twoway function- using the -addplot()- option. 3) Sounds like a skewed t distribution. Any analogue of -pnorm- is programmable. In fact it can be done without heavy programming, as it is just a scatter plot. Nick n.j.cox@durham.ac.uk Beatrice Crozza I am not able to solve some graphical problems: 1) I would like to do to a box graph. If I use the following command: graph7 return, box everything is fine, however I cannot modify this graph. When I use the new command: graph box return I receive this error message: variable _variables not found r(111);.What I am doing wrong? 2) I did the histogram of my data and I added a normal distribution: histogram return, normal Now, I would like to add to my histogram also a Student's t distribution. Is there a way to do this? 3) I did the standardized normal probability plot: pnorm return Is there a way to do the same for a sweked t distribution. I saw it in a paper, but I don't know how to replicate it. * * 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: Graphical questions(box, histogram, pnorm)***From:*Beatrice Crozza <beatrice.crozza@gmail.com>

**References**:**st: Graphical questions(box, histogram, pnorm)***From:*Beatrice Crozza <beatrice.crozza@gmail.com>

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