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