hypothesis.hpp

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#ifndef HYPOTHESIS_HPP
#define HYPOTHESIS_HPP
 
#include <algorithm>
#include <cmath>
#include <vector>
 
namespace gpmp {
 
namespace stats {
 
class HypothesisTest {
  public:
    HypothesisTest() {
    }
 
    ~HypothesisTest() {
    }
 
    static double one_sample_ttest(const std::vector<double> &sample,
                                   double populationMean);
 
    static double two_sample_ttest(const std::vector<double> &sample1,
                                   const std::vector<double> &sample2);
 
    static double ANOVA(const std::vector<std::vector<double>> &samples);
 
    static double
    chi_square_test(const std::vector<std::vector<int>> &observed,
                    const std::vector<std::vector<double>> &expected);
 
    static double proportion_z_test(double p1, double p2, double n1, double n2);
 
    static double wilcoxon_rank_test(const std::vector<double> &sample1,
                                     const std::vector<double> &sample2);
 
    static double mann_whitney_test(const std::vector<double> &sample1,
                                    const std::vector<double> &sample2);
 
    static double fisher_test(const std::vector<std::vector<int>> &table);
 
    static double kol_smirnov_test(const std::vector<double> &sample1,
                                   const std::vector<double> &sample2);
 
    static double wilcoxon_rank_sum_test(const std::vector<double> &sample1,
                                         const std::vector<double> &sample2);
 
    static double
    kruskal_wallis_test(const std::vector<std::vector<double>> &samples);
 
    static double runs_test(const std::vector<bool> &sequence);
 
  private:
    static int factorial(int n);
};
} // namespace stats
 
} // namespace gpmp
 
#endif