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anova_assumptions

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Outliers

install.packages("mvoutlier")
library(mvoutlier)

outliers <- aq.plot(mtcars[c("mpg","disp","hp","drat","wt","qsec")])
outliers # show list of outliers

Normality

par(mfrow=c(1,1))

attach(mtcars)
qqnorm(mpg)
qqline(mpg)

Homogeneity of Variances

anova_assumptions.1509931476.txt.gz · Last modified: 2017/11/06 09:54 by hkimscil