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From | MIGUEL ANGEL GRUPO DE INVESTIGACIO ODONT SIMANCAS PALLARES <msimancasp@unicartagena.edu.co> |
To | statalist@hsphsun2.harvard.edu |
Subject | Re: st: R: Shapiro's |
Date | Mon, 3 Dec 2012 14:31:43 -0500 |
Thanks Carlo and Nick. I did it and now i can conclude that is better with non-parametric statistics. Kind regards, On Mon, Dec 3, 2012 at 1:55 PM, Carlo Lazzaro <carlo.lazzaro@tiscalinet.it> wrote: > Miguel may want to visually inspect his data to make up his mind about their > distribution and/or take a look at: > - help qnorm -; > - help pnorm -. > > Kind Regards, > Carlo > -----Messaggio originale----- > Da: owner-statalist@hsphsun2.harvard.edu > [mailto:owner-statalist@hsphsun2.harvard.edu] Per conto di MIGUEL ANGEL > GRUPO DE INVESTIGACIO ODONT SIMANCAS PALLARES > Inviato: lunedì 3 dicembre 2012 19:16 > A: statalist@hsphsun2.harvard.edu > Oggetto: st: Shapiro's > > Hi. Im using Stata. > > Im trying to conduct several analysis including t test and ANOVA. When i try > to perform normality analysis using shapiro wilk test it say that the data > is not normally distributed. But, when i perform shapiro francia test (with > the same data) it says that the are normally distributed... > > Which of these results should I use (Wilk or Francia)? > > Thanks in advance, > > -- > > Miguel Angel Simancas. OD. MSc (C). > GITOUC - GITOUC Research Group > Departamento de Investigación - Research Department Facultad de Odontología > - Faculty of Dentistry Universidad de Cartagena - University of Cartagena > Tel: +57 (5) 6698172. Ext: 110. > > * > * For searches and help try: > * http://www.stata.com/help.cgi?search > * http://www.stata.com/support/faqs/resources/statalist-faq/ > * http://www.ats.ucla.edu/stat/stata/ > > > * > * For searches and help try: > * http://www.stata.com/help.cgi?search > * http://www.stata.com/support/faqs/resources/statalist-faq/ > * http://www.ats.ucla.edu/stat/stata/ -- Cordial Saludo, Miguel Angel Simancas. OD. MSc (C). GITOUC - GITOUC Research Group Departamento de Investigación - Research Department Facultad de Odontología - Faculty of Dentistry Universidad de Cartagena - University of Cartagena Tel: +57 (5) 6698172. Ext: 110. * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/faqs/resources/statalist-faq/ * http://www.ats.ucla.edu/stat/stata/