install.packages('coin')
"IndependenceTestProblem"
"PValue"
"IndependenceTestStatistic"
and its subclasses"ExpectCovar"
"IndependenceLinearStatistic"
"IndependenceProblem"
"IndependenceTest"
and its subclasses"SymmetryProblem"
"NullDistribution"
and its subclasses"VarCovar"
and its subclasses"ExpectCovarInfluence"