View source: R/two.sample.test.R
| two.sample.test | R Documentation | 
Performs a two independent sample test.
two.sample.test(formula,data=NULL,test=t.test,...)
| 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  | 
| ... | further arguments for test | 
A multi.test object, representing a table of the results of test applied to each of the variables.
t.test
ks.test
wilcox.test
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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