Two Sample Test

Description

Performs a two independent sample test.

Usage

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Arguments

formula

A formula, the left hand side of which indicated the outcomes, and the right hand side of which contains the factor

data

A data.frame

test

A function whose first two arguments are the two-samples to be tested, and whose result is an object of class htest.

...

further arguments for test

Value

A multi.test object, representing a table of the results of test applied to each of the variables.

See Also

t.test ks.test wilcox.test

Examples

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dat<-data.frame(a=rnorm(100),b=rnorm(100),c=rnorm(100),d=rnorm(100)>(-.5))
two.sample.test(d(a,b) ~ d,dat,ks.test)
two.sample.test(a ~ dich(b,cut=0) ,dat,t.test)
two.sample.test(d(a^2,abs(b),c)~d,dat,wilcox.test)

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