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"