Aligned Rank Test

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Description

Aligned rank test for a group/treatment effect after adjusting for covariates.

Usage

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aligned.test(x, y, g, scores = Rfit::wscores)

Arguments

x

n by p design matrix

y

n by 1 response vector

g

n by 1 vector denoting group/treatment membership.

scores

Which scores should be used for the fit and the test. An object of class scores.

Value

statistic

The value of the test statistic.

p.value

The p-value based on a chisq(k-1) distribution where k is the number of groups/treatments.

Author(s)

John Kloke kloke@biostat.wisc.edu

References

Hettmansperger, T.P. and McKean J.W. (2011), Robust Nonparametric Statistical Methods, 2nd ed., New York: Chapman-Hall.

Examples

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y<-rt(30,2)
x<-runif(30)
g<-rep(1:3,each=10)
aligned.test(x,y,g)

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