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Searched refs:skewness (Results 1 – 25 of 139) sorted by relevance

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/third_party/boost/boost/accumulators/statistics/
Dskewness.hpp81 struct skewness struct
95 extractor<tag::skewness> const skewness = {}; variable
97 BOOST_ACCUMULATORS_IGNORE_GLOBAL(skewness)
100 using extract::skewness;
105 struct as_weighted_feature<tag::skewness>
112 : feature_of<tag::skewness>
/third_party/boost/libs/accumulators/test/
Dskewness.cpp33 accumulator_set<double, stats<tag::skewness > > acc1; in test_stat()
34 accumulator_set<int, stats<tag::skewness > > acc2; in test_stat()
58 BOOST_CHECK_CLOSE( skewness(acc2), 0.406040288214, 1e-6 ); in test_stat()
69 accumulator_set<int, stats<tag::skewness > > acc; in test_persistency()
77 BOOST_CHECK_CLOSE(skewness(acc), 0.406040288214, epsilon); in test_persistency()
81 accumulator_set<int, stats<tag::skewness > > acc; in test_persistency()
85 BOOST_CHECK_CLOSE(skewness(acc), 0.406040288214, epsilon); in test_persistency()
/third_party/boost/libs/math/test/
Dtest_students_t.cpp443 skewness(dist) in test_spots()
585 BOOST_MATH_CHECK_THROW(skewness(students_t_distribution<RealType>(nan)), std::domain_error); in test_spots()
586 BOOST_MATH_CHECK_THROW(skewness(students_t_distribution<RealType>(-1)), std::domain_error); in test_spots()
587 BOOST_MATH_CHECK_THROW(skewness(students_t_distribution<RealType>(0)), std::domain_error); in test_spots()
588 BOOST_MATH_CHECK_THROW(skewness(students_t_distribution<RealType>(1)), std::domain_error); in test_spots()
589 BOOST_MATH_CHECK_THROW(skewness(students_t_distribution<RealType>(1.5L)), std::domain_error); in test_spots()
590 BOOST_MATH_CHECK_THROW(skewness(students_t_distribution<RealType>(2)), std::domain_error); in test_spots()
591 …BOOST_MATH_CHECK_THROW(skewness(students_t_distribution<RealType>(3)), std::domain_error); // df =… in test_spots()
592 BOOST_CHECK_EQUAL(skewness(students_t_distribution<RealType>(3.5)), 0); // OK. in test_spots()
593 BOOST_CHECK_EQUAL(skewness(students_t_distribution<RealType>(4)), 0); // OK. in test_spots()
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Dtest_arcsine.cpp134 BOOST_CHECK((boost::math::isnan)(skewness(ignore_error_arcsine(nan, 0)))); in test_ignore_policy()
135 BOOST_CHECK((boost::math::isnan)(skewness(ignore_error_arcsine(-1, nan)))); in test_ignore_policy()
136 BOOST_CHECK((boost::math::isnan)(skewness(ignore_error_arcsine(0, 0)))); in test_ignore_policy()
137 BOOST_CHECK((boost::math::isnan)(skewness(ignore_error_arcsine(1, 0)))); in test_ignore_policy()
138 BOOST_CHECK((boost::math::isnan)(skewness(ignore_error_arcsine(2, 0)))); in test_ignore_policy()
139 BOOST_CHECK((boost::math::isnan)(skewness(ignore_error_arcsine(3, 0)))); in test_ignore_policy()
262 BOOST_CHECK_EQUAL(skewness(arcsine_01), 0); // in test_spots()
348 BOOST_CHECK_EQUAL(skewness(as_m11), 0); // in test_spots()
398 BOOST_CHECK_EQUAL(skewness(as_m2m1), 0); // in test_spots()
547 BOOST_CHECK_EQUAL(skewness(as), 0); // in BOOST_AUTO_TEST_CASE()
Dtest_skew_normal.cpp133 BOOST_CHECK_EQUAL(skewness(N01), 0); in test_spots()
306 skewness(dist) in test_spots()
365 skewness(dist) in test_spots()
412 skewness(dist) in test_spots()
431 skewness(dist) in test_spots()
450 skewness(dist) in test_spots()
Dunivariate_statistics_test.cpp306 double skew = boost::math::statistics::skewness(v); in test_integer_skewness()
311 skew = boost::math::statistics::skewness(v); in test_integer_skewness()
316 skew = boost::math::statistics::skewness(v); in test_integer_skewness()
320 skew = boost::math::statistics::skewness(v); in test_integer_skewness()
326 double m1 = boost::math::statistics::skewness(v); in test_integer_skewness()
331 double m2 = boost::math::statistics::skewness(v); in test_integer_skewness()
341 Real skew = boost::math::statistics::skewness(v); in test_skewness()
346 skew = boost::math::statistics::skewness(v); in test_skewness()
351 skew = boost::math::statistics::skewness(v); in test_skewness()
355 skew = boost::math::statistics::skewness(w1); in test_skewness()
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Dtest_nc_t.hpp140 skewness(dist), naive_skewness(df, ncp), tol * 10 * tolerance_tgamma_extra); in test_spot()
518 BOOST_CHECK_EQUAL(skewness(infdf), 0); in test_big_df()
519 BOOST_CHECK_EQUAL(skewness(maxdf), 0); in test_big_df()
693 …BOOST_CHECK((boost::math::isnan)(skewness(ignore_error_non_central_t(std::numeric_limits<RealType>… in test_ignore_policy()
694 BOOST_CHECK((boost::math::isnan)(skewness(ignore_error_non_central_t(-1, 0)))); in test_ignore_policy()
695 BOOST_CHECK((boost::math::isnan)(skewness(ignore_error_non_central_t(0, 0)))); in test_ignore_policy()
696 BOOST_CHECK((boost::math::isnan)(skewness(ignore_error_non_central_t(1, 0)))); in test_ignore_policy()
697 BOOST_CHECK((boost::math::isnan)(skewness(ignore_error_non_central_t(2, 0)))); in test_ignore_policy()
698 BOOST_CHECK((boost::math::isnan)(skewness(ignore_error_non_central_t(3, 0)))); in test_ignore_policy()
724 …BOOST_CHECK(boost::math::isfinite(skewness(ignore_error_non_central_t(3 + 3 * std::numeric_limits<… in test_ignore_policy()
Dtest_inverse_chi_squared_distribution.cpp211 …BOOST_CHECK_CLOSE_FRACTION(skewness(dist10), static_cast<RealType>(3.46410161513775458705489268301… in test_spots()
371 BOOST_CHECK_CLOSE_FRACTION(skewness(ichisq81), 2 * std::sqrt(8.), tol4eps); in BOOST_AUTO_TEST_CASE()
428 …BOOST_MATH_CHECK_THROW(skewness(ichsq23), std::domain_error); // Degrees of freedom (nu) must be >… in BOOST_AUTO_TEST_CASE()
484 BOOST_MATH_CHECK_THROW(skewness(ig291), std::domain_error); in BOOST_AUTO_TEST_CASE()
Dtest_rayleigh.cpp186 ::boost::math::skewness( in test_spots()
192 ::boost::math::skewness( in test_spots()
Dtest_inverse_gamma_distribution.cpp228 BOOST_CHECK_CLOSE_FRACTION(skewness(dist111), static_cast<RealType>(1.5), tol_few_eps); in test_spots()
393 BOOST_CHECK_CLOSE_FRACTION(skewness(ig51), 2 * std::sqrt(3.), tol5eps); in BOOST_AUTO_TEST_CASE()
409 BOOST_MATH_CHECK_THROW(skewness(ig291), std::domain_error); in BOOST_AUTO_TEST_CASE()
/third_party/boost/libs/math/dot_net_example/boost_math/
Dboost_math.h45 virtual double skewness()const = 0;
86 virtual double skewness()const in skewness() function
88 return boost::math::skewness(m_dist); in skewness()
205 double skewness() in skewness() function
208 return pimpl->skewness(); in skewness()
/third_party/boost/libs/math/dot_net_example/distribution_explorer/
DDistexForm.cs206 skewness.Text = dist.skewness().ToString(); in tabPage2_Enter()
210 skewness.Text = "Undefined."; in tabPage2_Enter()
460 skewness.Text = dist.skewness().ToString(); in saveFileDialog1_FileOk()
464 skewness.Text = "Undefined"; in saveFileDialog1_FileOk()
466 sw.WriteLine("Skewness" + separator + skewness.Text); in saveFileDialog1_FileOk()
DDistexForm.Designer.cs67 this.skewness = new System.Windows.Forms.Label(); in InitializeComponent()
289 this.PropertiesTabPage.Controls.Add(this.skewness); in InitializeComponent()
525 this.skewness.AutoSize = true; in InitializeComponent()
526 this.skewness.Location = new System.Drawing.Point(204, 351); in InitializeComponent()
527 this.skewness.Name = "skewness"; in InitializeComponent()
528 this.skewness.Size = new System.Drawing.Size(109, 18); in InitializeComponent()
529 this.skewness.TabIndex = 3; in InitializeComponent()
530 this.skewness.Text = "skewness value"; in InitializeComponent()
1063 private System.Windows.Forms.Label skewness; field in distribution_explorer.DistexForm
/third_party/skia/third_party/externals/abseil-cpp/absl/random/
Ddistributions_test.cc299 EXPECT_NEAR(0.0, moments.skewness, 0.02); in TEST_F()
318 EXPECT_NEAR(0.0, moments.skewness, 0.02); in TEST_F()
347 EXPECT_NEAR(2.0, moments.skewness, 0.1); in TEST_F()
363 EXPECT_NEAR(1.0, moments.skewness, 0.025); in TEST_F()
380 EXPECT_NEAR(std::sqrt(kMean), moments.skewness, kMean * 0.02); in TEST_F()
441 EXPECT_NEAR(0, moments.skewness, 0.2); in TEST_F()
/third_party/abseil-cpp/absl/random/
Ddistributions_test.cc289 EXPECT_NEAR(0.0, moments.skewness, 0.02); in TEST_F()
308 EXPECT_NEAR(0.0, moments.skewness, 0.02); in TEST_F()
337 EXPECT_NEAR(2.0, moments.skewness, 0.1); in TEST_F()
353 EXPECT_NEAR(1.0, moments.skewness, 0.025); in TEST_F()
370 EXPECT_NEAR(std::sqrt(kMean), moments.skewness, kMean * 0.02); in TEST_F()
431 EXPECT_NEAR(0, moments.skewness, 0.2); in TEST_F()
/third_party/boost/libs/math/example/
Dbinomial_coinflip_example.cpp81 cout << "Skewness is " << skewness(flip) << endl; in main()
86 << " is " << skewness(flip) << endl << endl; // Expect zero for a 'fair' coin. in main()
Dskew_normal_example.cpp34 …std::cout << "skew: table=" << sk << "\tcompute=" << skewness(D) << "\tdiff=" << fabs(sk-skewness(… in check()
/third_party/boost/libs/math/doc/statistics/
Dunivariate_statistics.qbk40 auto skewness(Container const & c);
43 auto skewness(ForwardIterator first, ForwardIterator last);
149 Computes the skewness of a dataset:
152 double skewness = boost::math::statistics::skewness(v);
153 // skewness = 0.
158 For a dataset consisting of a single constant value, we take the skewness to be zero by definition.
/third_party/abseil-cpp/absl/random/internal/
Ddistribution_test_util.cc54 result.skewness += v * v * v; in ComputeDistributionMoments()
59 result.skewness /= static_cast<double>(result.n); in ComputeDistributionMoments()
60 result.skewness /= std::pow(result.variance, 1.5); in ComputeDistributionMoments()
77 moments.skewness, moments.kurtosis); in operator <<()
Ddistribution_test_util.h41 double skewness = 0.0; member
/third_party/skia/third_party/externals/abseil-cpp/absl/random/internal/
Ddistribution_test_util.cc54 result.skewness += v * v * v; in ComputeDistributionMoments()
59 result.skewness /= static_cast<double>(result.n); in ComputeDistributionMoments()
60 result.skewness /= std::pow(result.variance, 1.5); in ComputeDistributionMoments()
77 moments.skewness, moments.kurtosis); in operator <<()
Ddistribution_test_util.h41 double skewness = 0.0; member
/third_party/boost/libs/math/doc/distributions/
Dskew_normal.qbk97 the resulting [*skewness] of the distribution is in fact limited to about (-1, 1);
102 and used in the expression for skewness
151 The PDF and mean, variance, skewness and kurtosis are also accurately evaluated using
180 [[skewness][[equation skew_normal_skewness] ]]
/third_party/boost/boost/math/tools/
Dunivariate_statistics.hpp147 auto skewness(ForwardIterator first, ForwardIterator last) in skewness() function
206 inline auto skewness(Container const & v) in skewness() function
208 return skewness(v.cbegin(), v.cend()); in skewness()
/third_party/boost/libs/math/doc/equations/
Dnc_chi_squ_ref7.mml38 <mtext>skewness</mtext>

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