Cleanup code

Math/Statistic/Average.php

@@ -27,27 +27,69 @@ use phpOMS\Math\Matrix\Exception\InvalidDimensionException;
  */
 final class Average
 {
-    public const MA3 = [1 / 3, 1 / 3];
+    /**
+     * Moving average weights
+     *
+     * @var float[]
+     * @since 1.0.0
+     */
+    public const MA3 = [1 / 3, 1 / 3, 1 / 3];
 
-    public const MA5 = [0.2, 0.2, 0.2];
+    /**
+     * Moving average weights
+     *
+     * @var float[]
+     * @since 1.0.0
+     */
+    public const MA5 = [0.2, 0.2, 0.2, 0.2, 0.2];
 
-    public const MA2X12 = [5 / 6, 5 / 6, 5 / 6, 5 / 6, 5 / 6, 5 / 6, 0.42];
+    /**
+     * Moving average weights
+     *
+     * @var float[]
+     * @since 1.0.0
+     */
+    public const MAS15 = [-0.009, -0.019, -0.016, 0.009, 2 / 3, 0.144, 0.209, 0.231, 0.209, 0.144, 2 / 3, 0.009, -0.016, -0.019, -0.009];
 
-    public const MA3X3 = [1 / 3, 2 / 9, 1 / 9];
+    /**
+     * Moving average weights
+     *
+     * @var float[]
+     * @since 1.0.0
+     */
+    public const MAS21 = [-0.003, -0.009, -0.014, -0.014, -0.006, 0.017, 0.51, 0.37, 0.134, 0.163, 0.171, 0.163, 0.134, 0.37, 0.51, 0.017, -0.006, -0.014, -0.014, -0.009, -0.003];
 
-    public const MA3X5 = [0.2, 0.2, 2 / 15, 4 / 6];
+    /**
+     * Moving average weights
+     *
+     * @var float[]
+     * @since 1.0.0
+     */
+    public const MAH5 = [-0.73, 0.294, 0.558, 0.294, -0.73];
 
-    public const MAS15 = [0.231, 0.209, 0.144, 2 / 3, 0.009, -0.016, -0.019, -0.009];
+    /**
+     * Moving average weights
+     *
+     * @var float[]
+     * @since 1.0.0
+     */
+    public const MAH9 = [-0.041, -0.01, 0.119, 0.267, 0.330, 0.267, 0.119, -0.010, -0.041];
 
-    public const MAS21 = [0.171, 0.163, 0.134, 0.37, 0.51, 0.017, -0.006, -0.014, -0.014, -0.009, -0.003];
+    /**
+     * Moving average weights
+     *
+     * @var float[]
+     * @since 1.0.0
+     */
+    public const MAH13 = [-0.019, -0.028, 0, 0.66, 0.147, 0.214, 0.240, 0.214, 0.147, 0.66, 0, -0.028, -0.019];
 
-    public const MAH5 = [0.558, 0.294, -0.73];
-
-    public const MAH9 = [0.330, 0.267, 0.119, -0.010, -0.041];
-
-    public const MAH13 = [0.240, 0.214, 0.147, 0.66, 0, -0.028, -0.019];
-
-    public const MAH23 = [0.148, 0.138, 0.122, 0.097, 0.068, 0.039, 0.013, -0.005, -0.015, -0.016, -0.011, -0.004];
+    /**
+     * Moving average weights
+     *
+     * @var float[]
+     * @since 1.0.0
+     */
+    public const MAH23 = [-0.004, -0.011, -0.016, -0.015, -0.005, 0.013, 0.039, 0.068, 0.097, 0.122, 0.138, 0.148, 0.138, 0.122, 0.097, 0.068, 0.039, 0.013, -0.005, -0.015, -0.016, -0.011, -0.004];
 
     /**
      * Constructor.

Math/Statistic/Forecast/Forecasts.php

@@ -24,6 +24,16 @@ namespace phpOMS\Math\Statistic\Forecast;
  */
 final class Forecasts
 {
+    /**
+     * Constructor.
+     *
+     * @since 1.0.0
+     * @codeCoverageIgnore
+     */
+    private function __construct()
+    {
+    }
+
     /**
      * Get forecast/prediction interval.
      *

Math/Statistic/Forecast/Regression/LevelLevelRegression.php

@@ -24,6 +24,16 @@ namespace phpOMS\Math\Statistic\Forecast\Regression;
  */
 final class LevelLevelRegression extends RegressionAbstract
 {
+    /**
+     * Constructor.
+     *
+     * @since 1.0.0
+     * @codeCoverageIgnore
+     */
+    private function __construct()
+    {
+    }
+
     /**
      * {@inheritdoc}
      */

Math/Statistic/Forecast/Regression/LevelLogRegression.php

@@ -26,6 +26,16 @@ use phpOMS\Math\Matrix\Exception\InvalidDimensionException;
  */
 final class LevelLogRegression extends RegressionAbstract
 {
+    /**
+     * Constructor.
+     *
+     * @since 1.0.0
+     * @codeCoverageIgnore
+     */
+    private function __construct()
+    {
+    }
+
     /**
      * {@inheritdoc}
      *

Math/Statistic/Forecast/Regression/LogLevelRegression.php

@@ -26,6 +26,16 @@ use phpOMS\Math\Matrix\Exception\InvalidDimensionException;
  */
 final class LogLevelRegression extends RegressionAbstract
 {
+    /**
+     * Constructor.
+     *
+     * @since 1.0.0
+     * @codeCoverageIgnore
+     */
+    private function __construct()
+    {
+    }
+
     /**
      * {@inheritdoc}
      *

Math/Statistic/Forecast/Regression/LogLogRegression.php

@@ -26,6 +26,16 @@ use phpOMS\Math\Matrix\Exception\InvalidDimensionException;
  */
 final class LogLogRegression extends RegressionAbstract
 {
+    /**
+     * Constructor.
+     *
+     * @since 1.0.0
+     * @codeCoverageIgnore
+     */
+    private function __construct()
+    {
+    }
+
     /**
      * {@inheritdoc}
      *

Math/Statistic/Forecast/Regression/MultipleLinearRegression.php

@@ -26,6 +26,16 @@ use phpOMS\Math\Matrix\Matrix;
  */
 final class MultipleLinearRegression extends RegressionAbstract
 {
+    /**
+     * Constructor.
+     *
+     * @since 1.0.0
+     * @codeCoverageIgnore
+     */
+    private function __construct()
+    {
+    }
+
     /**
      * Get linear regression based on scatter plot.
      *

Math/Statistic/Forecast/Regression/PolynomialRegression.php

@@ -27,6 +27,16 @@ use phpOMS\Math\Statistic\Average;
  */
 final class PolynomialRegression
 {
+    /**
+     * Constructor.
+     *
+     * @since 1.0.0
+     * @codeCoverageIgnore
+     */
+    private function __construct()
+    {
+    }
+
     /**
      * Get linear regression based on scatter plot.
      *

Math/Statistic/Forecast/Regression/RegressionAbstract.php

@@ -27,6 +27,16 @@ use phpOMS\Math\Statistic\Average;
  */
 abstract class RegressionAbstract
 {
+    /**
+     * Constructor.
+     *
+     * @since 1.0.0
+     * @codeCoverageIgnore
+     */
+    private function __construct()
+    {
+    }
+
     /**
      * Get linear regression based on scatter plot.
      *

Math/Stochastic/Distribution/BernoulliDistribution.php

@@ -24,6 +24,16 @@ namespace phpOMS\Math\Stochastic\Distribution;
  */
 final class BernoulliDistribution
 {
+    /**
+     * Constructor.
+     *
+     * @since 1.0.0
+     * @codeCoverageIgnore
+     */
+    private function __construct()
+    {
+    }
+
     /**
      * Get probability mass function.
      *

Math/Stochastic/Distribution/BetaDistribution.php

@@ -27,6 +27,16 @@ use phpOMS\Math\Functions\Functions;
  */
 final class BetaDistribution
 {
+    /**
+     * Constructor.
+     *
+     * @since 1.0.0
+     * @codeCoverageIgnore
+     */
+    private function __construct()
+    {
+    }
+
     /**
      * Get expected value.
      *

Math/Stochastic/Distribution/BinomialDistribution.php

@@ -26,6 +26,16 @@ use phpOMS\Math\Functions\Functions;
  */
 final class BinomialDistribution
 {
+    /**
+     * Constructor.
+     *
+     * @since 1.0.0
+     * @codeCoverageIgnore
+     */
+    private function __construct()
+    {
+    }
+
     /**
      * Get mode.
      *

Math/Stochastic/Distribution/CauchyDistribution.php

@@ -24,6 +24,16 @@ namespace phpOMS\Math\Stochastic\Distribution;
  */
 final class CauchyDistribution
 {
+    /**
+     * Constructor.
+     *
+     * @since 1.0.0
+     * @codeCoverageIgnore
+     */
+    private function __construct()
+    {
+    }
+
     /**
      * Get probability density function.
      *

Math/Stochastic/Distribution/ChiSquaredDistribution.php

@@ -74,6 +74,16 @@ final class ChiSquaredDistribution
         100 => ['0.995' => 67.328, '0.99' => 70.065, '0.975' => 74.222, '0.95' => 77.929, '0.90' => 82.358, '0.10' => 118.498, '0.05' => 124.342, '0.025' => 129.561, '0.01' => 135.807, '0.005' => 140.169],
     ];
 
+    /**
+     * Constructor.
+     *
+     * @since 1.0.0
+     * @codeCoverageIgnore
+     */
+    private function __construct()
+    {
+    }
+
     /**
      * Test hypthesis.
      *

Math/Stochastic/Distribution/ExponentialDistribution.php

@@ -24,6 +24,16 @@ namespace phpOMS\Math\Stochastic\Distribution;
  */
 final class ExponentialDistribution
 {
+    /**
+     * Constructor.
+     *
+     * @since 1.0.0
+     * @codeCoverageIgnore
+     */
+    private function __construct()
+    {
+    }
+
     /**
      * Get probability density function.
      *

Math/Stochastic/Distribution/FDistribution.php

@@ -26,6 +26,16 @@ use phpOMS\Math\Functions\Beta;
  */
 final class FDistribution
 {
+    /**
+     * Constructor.
+     *
+     * @since 1.0.0
+     * @codeCoverageIgnore
+     */
+    private function __construct()
+    {
+    }
+
     /**
      * Get probability density function.
      *

Math/Stochastic/Distribution/GammaDistribution.php

@@ -26,6 +26,16 @@ use phpOMS\Math\Functions\Gamma;
  */
 final class GammaDistribution
 {
+    /**
+     * Constructor.
+     *
+     * @since 1.0.0
+     * @codeCoverageIgnore
+     */
+    private function __construct()
+    {
+    }
+
     /**
      * Get probability density function for shape and scale.
      *

Math/Stochastic/Distribution/GeometricDistribution.php

@@ -24,6 +24,16 @@ namespace phpOMS\Math\Stochastic\Distribution;
  */
 final class GeometricDistribution
 {
+    /**
+     * Constructor.
+     *
+     * @since 1.0.0
+     * @codeCoverageIgnore
+     */
+    private function __construct()
+    {
+    }
+
     /**
      * Get probability mass function.
      *

Math/Stochastic/Distribution/HypergeometricDistribution.php

@@ -26,6 +26,16 @@ use phpOMS\Math\Functions\Functions;
  */
 final class HypergeometricDistribution
 {
+    /**
+     * Constructor.
+     *
+     * @since 1.0.0
+     * @codeCoverageIgnore
+     */
+    private function __construct()
+    {
+    }
+
     /**
      * Get probability mass function.
      *

Math/Stochastic/Distribution/LaplaceDistribution.php

@@ -24,6 +24,16 @@ namespace phpOMS\Math\Stochastic\Distribution;
  */
 final class LaplaceDistribution
 {
+    /**
+     * Constructor.
+     *
+     * @since 1.0.0
+     * @codeCoverageIgnore
+     */
+    private function __construct()
+    {
+    }
+
     /**
      * Get probability density function.
      *

Math/Stochastic/Distribution/LogDistribution.php

@@ -34,6 +34,16 @@ final class LogDistribution
      */
     public const EPSILON = 4.88e-04;
 
+    /**
+     * Constructor.
+     *
+     * @since 1.0.0
+     * @codeCoverageIgnore
+     */
+    private function __construct()
+    {
+    }
+
     /**
      * Get probability mass function.
      *

Math/Stochastic/Distribution/LogNormalDistribution.php

@@ -26,6 +26,16 @@ use phpOMS\Math\Functions\Functions;
  */
 final class LogNormalDistribution
 {
+    /**
+     * Constructor.
+     *
+     * @since 1.0.0
+     * @codeCoverageIgnore
+     */
+    private function __construct()
+    {
+    }
+
     /**
      * Get probability density function.
      *

Math/Stochastic/Distribution/LogisticDistribution.php

@@ -24,6 +24,16 @@ namespace phpOMS\Math\Stochastic\Distribution;
  */
 final class LogisticDistribution
 {
+    /**
+     * Constructor.
+     *
+     * @since 1.0.0
+     * @codeCoverageIgnore
+     */
+    private function __construct()
+    {
+    }
+
     /**
      * Get probability density function.
      *

Math/Stochastic/Distribution/NormalDistribution.php

@@ -39,6 +39,16 @@ final class NormalDistribution
         '0.85' => 1.44, '0.90' => 1.64, '0.95' => 1.96, '0.96' => 2.05, '0.97' => 2.17, '0.98' => 2.33, '0.99' => 2.58,
     ];
 
+    /**
+     * Constructor.
+     *
+     * @since 1.0.0
+     * @codeCoverageIgnore
+     */
+    private function __construct()
+    {
+    }
+
     /**
      * Calculate the sample size
      *

Math/Stochastic/Distribution/ParetoDistribution.php

@@ -24,6 +24,16 @@ namespace phpOMS\Math\Stochastic\Distribution;
  */
 final class ParetoDistribution
 {
+    /**
+     * Constructor.
+     *
+     * @since 1.0.0
+     * @codeCoverageIgnore
+     */
+    private function __construct()
+    {
+    }
+
     /**
      * Get probability density function.
      *

Math/Stochastic/Distribution/PoissonDistribution.php

@@ -27,6 +27,16 @@ use phpOMS\Math\Functions\Gamma;
  */
 final class PoissonDistribution
 {
+    /**
+     * Constructor.
+     *
+     * @since 1.0.0
+     * @codeCoverageIgnore
+     */
+    private function __construct()
+    {
+    }
+
     /**
      * Get density.
      *

Math/Stochastic/Distribution/TDistribution.php

@@ -72,6 +72,16 @@ final class TDistribution
         1000 => ['0' => 0.000, '0.5' => 0.675, '0.6' => 0.842, '0.7' => 1.037, '0.8' => 1.282, '0.9' => 1.646, '0.95' => 1.962, '0.98' => 2.330, '0.99' => 2.581, '0.998' => 3.098, '0.999' => 3.300,],
     ];
 
+    /**
+     * Constructor.
+     *
+     * @since 1.0.0
+     * @codeCoverageIgnore
+     */
+    private function __construct()
+    {
+    }
+
     /**
      * Get expected value.
      *

Math/Stochastic/Distribution/UniformDistributionContinuous.php

@@ -24,6 +24,16 @@ namespace phpOMS\Math\Stochastic\Distribution;
  */
 final class UniformDistributionContinuous
 {
+    /**
+     * Constructor.
+     *
+     * @since 1.0.0
+     * @codeCoverageIgnore
+     */
+    private function __construct()
+    {
+    }
+
     /**
      * Get mode.
      *

Math/Stochastic/Distribution/UniformDistributionDiscrete.php

@@ -24,6 +24,16 @@ namespace phpOMS\Math\Stochastic\Distribution;
  */
 final class UniformDistributionDiscrete
 {
+    /**
+     * Constructor.
+     *
+     * @since 1.0.0
+     * @codeCoverageIgnore
+     */
+    private function __construct()
+    {
+    }
+
     /**
      * Get probability mass function.
      *

Math/Stochastic/Distribution/WeibullDistribution.php

@@ -26,6 +26,16 @@ use phpOMS\Math\Functions\Gamma;
  */
 final class WeibullDistribution
 {
+    /**
+     * Constructor.
+     *
+     * @since 1.0.0
+     * @codeCoverageIgnore
+     */
+    private function __construct()
+    {
+    }
+
     /**
      * Get probability density function.
      *

Math/Stochastic/Distribution/ZTesting.php

@@ -31,15 +31,31 @@ use phpOMS\Math\Statistic\MeasureOfDispersion;
  */
 final class ZTesting
 {
+    /**
+     * Percentile table
+     *
+     * @var array<string, float>
+     * @since 1.0.0
+     */
     public const TABLE = [
-        '2.58' => 0.99,
-        '2.33' => 0.98,
-        '1.96' => 0.95,
-        '1.64' => 0.90,
-        '1.44' => 0.85,
-        '1.28' => 0.80,
+        '0.99' => 2.58,
+        '0.98' => 2.33,
+        '0.95' => 1.96,
+        '0.90' => 1.64,
+        '0.85' => 1.44,
+        '0.80' => 1.28,
     ];
 
+    /**
+     * Constructor.
+     *
+     * @since 1.0.0
+     * @codeCoverageIgnore
+     */
+    private function __construct()
+    {
+    }
+
     /**
      * Test hypthesis.
      *
@@ -58,8 +74,8 @@ final class ZTesting
 
         $zSignificance = 0.0;
         foreach (self::TABLE as $key => $value) {
-            if ($significance === $value) {
-                $zSignificance = (float) $key;
+            if ($significance === (float) $key) {
+                $zSignificance = $value;
             }
         }