[R] QQplot normally distributed

Özgür Asar oasar at metu.edu.tr
Tue Jun 19 12:42:16 CEST 2012


Hi,

Following a straight line indicates less evidence towards non-normality. But
QQ-Plot is an exploratory tool. 

You can confirm your ideas obtained from the QQ-Plot via noramlity tests
such as Shapiro-Wilk test.

See shapiro.test under stats package and nortest package.

Ozgur

--
View this message in context: http://r.789695.n4.nabble.com/QQplot-normally-distributed-tp4633819p4633820.html
Sent from the R help mailing list archive at Nabble.com.



More information about the R-help mailing list