try this: tapply(re, list(reg, ast), function(x) shapiro.test(x)$p.value)
I hope it helps. Best, Dimitris ---- Dimitris Rizopoulos Ph.D. Student Biostatistical Centre School of Public Health Catholic University of Leuven Address: Kapucijnenvoer 35, Leuven, Belgium Tel: +32/(0)16/336899 Fax: +32/(0)16/337015 Web: http://med.kuleuven.be/biostat/ http://www.student.kuleuven.be/~m0390867/dimitris.htm ----- Original Message ----- From: "livia" <[EMAIL PROTECTED]> To: <[email protected]> Sent: Friday, June 01, 2007 1:00 PM Subject: [R] tapply > > Hello, I want to conduct normality test to a series of data and get > the > p-value for each subset. I am using the following codes, but it does > not > work. > > tapply(re, list(reg, ast), pvalue(shapiro.test)) > > Could anyone give me some advice? Many thanks. > -- > View this message in context: > http://www.nabble.com/tapply-tf3851631.html#a10910748 > Sent from the R help mailing list archive at Nabble.com. > > ______________________________________________ > [email protected] mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > Disclaimer: http://www.kuleuven.be/cwis/email_disclaimer.htm ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
