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From |
"Maclennan, Graeme S." <g.maclennan@abdn.ac.uk> |

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

Subject |
st: Automating graphs with data-dependent reference lines and saving with meaningful names. |

Date |
Thu, 26 May 2011 13:27:01 +0100 |

Dear Statlist, I have a tricky (at least to me) problem which I am currently unable to solve. I have P persons that answer Q Likert style questions on a scale of 1 to 9. What I need is plot of the distribution of responses to each question, but for each person P I want to indicate (using a line say) on the graph their response. This is to be fedback at a later stage, so I want to save each graph with a useful name that indicates the P and Q. So in "pseudo code": For each qestion Qj For each person Pi Histrogram Qj, discrete add line at value of Pi response to Qj, Save graph with name PiQj Problem 1 is getting the line to be different for each person P, in the archives I found that -addplot- with -pci- gives me what I want, but I cannot work out to automate the reading of the x-value. For example in the baby dataset below ******** Example Dataset************ clear set obs 20 set seed 1234 gen p = _n forvalues j = 1/5{ gen q`j' = 1 + int(9*uniform()) } hist q, discrete addplot(pci 0 5 20 5 , legend(off)) percent ***************End******************** P1 answered 5 to Q1, but is it possible to tell Stata to read the value automatically? Problem 2 is getting trying to loop over each question for each person and save the graphs. In reality I wont have nice IDs for P, I have been trying to combine -foreach- over Q and levels of P but I know I am wrong. Plus I need to incorporate the solution to above Problem 1 into the loop. Ignoring that I have been trying variations of the below, but I am out of my depth. ******** Attempt********** levelsof p, local(pi) foreach q in q1-q4{ foreach i of local pi{ hist q, discrete addplot(pci 0 5 20 5 , legend(off)) percent saving(`q'`p') /// In here I need to somehow incorprate solution to Problem 1. } } **********End Attempt****** Any pointing in the right direction is appreciated. Regards, Graeme MacLennan The University of Aberdeen is a charity registered in Scotland, No SC013683. * * 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: Automating graphs with data-dependent reference lines and saving with meaningful names.***From:*Oliver Jones <ojones@wiwi.uni-bielefeld.de>

**References**:**st: Use of results in variable name***From:*alec minnema <alecminnema@hotmail.com>

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