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From | "Martin Weiss" <martin.weiss1@gmx.de> |
To | <statalist@hsphsun2.harvard.edu> |
Subject | st: AW: sort of standardization |
Date | Wed, 12 May 2010 16:37:16 +0200 |
<> No html, right? ************* clear* set obs 100 gen x1=rnormal() gen x2=rnormal() gen str5 x3="Hello" qui ds, has(type numeric) foreach var of varlist `r(varlist)'{ egen std_`var'=std(`var') su `var', mean gen rangecorrected_`var'=`var'/(`r(max)'-`r(min)') } ************* HTH Martin Von: owner-statalist@hsphsun2.harvard.edu [mailto:owner-statalist@hsphsun2.harvard.edu] Im Auftrag von Ginevra Biino Gesendet: Mittwoch, 12. Mai 2010 16:30 An: Statalist Betreff: st: sort of standardization Dear Statalist, I have to standardize many variables (in order to run PCA). Besides generating the n corresponding std(varname) vars, which I have already done, I also want to generate n new variables obtained dividing each variable by its range. Can anybody help me? Ginevra * * 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/