students_t.hpp

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// toolboxes/stats/include/nk/stats/distributions/students_t.hpp
//
// Student's t-distribution.
 
#pragma once
 
#include <memory_resource>
#include <nk/value/value.hpp>
 
#include <tuple>
 
namespace nk {

 namespace ops { class RngContext; } }
 
namespace nk::stats {

Value tpdf(const Value &x, double nu, std::pmr::memory_resource *mr = nullptr);

Value tcdf(const Value &x, double nu, std::pmr::memory_resource *mr = nullptr);

Value tinv(const Value &p, double nu, std::pmr::memory_resource *mr = nullptr);

Value trnd(::nk::ops::RngContext &rng, double nu, size_t rows = 1, size_t cols = 1, std::pmr::memory_resource *mr = nullptr);

std::tuple<double, double> tstat(double nu);

Value nctpdf(const Value &x, double nu, double delta,
             std::pmr::memory_resource *mr = nullptr);

Value nctcdf(const Value &x, double nu, double delta, bool upper = false,
             std::pmr::memory_resource *mr = nullptr);

Value nctinv(const Value &p, double nu, double delta,
             std::pmr::memory_resource *mr = nullptr);

std::tuple<double, double> nctstat(double nu, double delta);

Value nctrnd(::nk::ops::RngContext &rng, double nu, double delta, std::size_t rows = 1, std::size_t cols = 1,
             std::pmr::memory_resource *mr = nullptr);
 

} // namespace nk::stats