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From |
Maarten Buis <maartenlbuis@gmail.com> |

To |
statalist@hsphsun2.harvard.edu |

Subject |
Re: st: loop for graphs |

Date |
Fri, 8 Jul 2011 09:39:23 +0200 |

On Fri, Jul 8, 2011 at 5:43 AM, <redacted> wrote: >I have 3 dependent variables (a1,b1,c1) that i want plot > against 1 var (x). i will be using scatter plot and hope to use these > commands > > foreach var of varlist a1-c1 { > graph twoway (scatter `var' x ) (lfit `var' x), saving(gr.gph) > } For each iteration of the loop you are using the same name to store your graph, thus overwriting the previous graph. So at the end of the loop you are left with only the last graph. If you change the name during each iteration, you'll get what you want. A convenient way is to use the local `var', as that will already change for each iteration and later it will be easier for you to remember which file contains which graph just by looking at the filenames (assuming you chose more informative variable names than a1 b1 c1...). So the example below should do what you want. (I use the -name()- option instead of the -saving()- option as I do not wish to store these graphs on my computer. You can of course change that.) *------------- begin example -------------- sysuse nlsw88, clear foreach var of varlist wage hours ttl_exp { twoway scatter `var' grade || /// lfit `var' grade, /// name(gr`var', replace) } *--------------- end example -------------- (For more on examples I sent to the Statalist see: http://www.maartenbuis.nl/example_faq ) Hope this helps, Maarten -------------------------- Maarten L. Buis Institut fuer Soziologie Universitaet Tuebingen Wilhelmstrasse 36 72074 Tuebingen Germany http://www.maartenbuis.nl -------------------------- * * 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/

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