Description Usage Arguments Details Value Author(s)
View source: R/Normality.test.R
Test for normality of the trait
1 
y 
vector of phenotype data (one entry per individual), of length n. 
X 
matrix of covariates including intercept (dimension: n \times p, with p the number of covariates) 
pedigree 
a pedigree as output by

plot 
(logical) If set to TRUE a histogram will be plotted of the phenotype residuals after adjusting for covariates (default: FALSE). 
This function is used to test whether the phenotype is distributed normally, based on the ShapiroWilk test.
A list with the following elements:
SW.pvalue
: ShapiroWilk pvalue that indicates
whether the phenotype is distributed normally.
resid.0
: the residuals after regressing the
phenotype onto X.
Karim Oualkacha
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