Mark toString as internal

src/AnomalyDetectors/GaussianMLE.php

@@ -355,6 +355,8 @@ protected function logLikelihood(array $sample) : float
     /**
      * Return the string representation of the object.
      *
+     * @internal
+     *
      * @return string
      */
     public function __toString() : string

src/AnomalyDetectors/IsolationForest.php

@@ -316,6 +316,8 @@ protected function isolationScore(array $sample) : float
     /**
      * Return the string representation of the object.
      *
+     * @internal
+     *
      * @return string
      */
     public function __toString() : string

src/AnomalyDetectors/LocalOutlierFactor.php

@@ -322,6 +322,8 @@ protected function localReachabilityDensity(array $indices, array $distances) :
     /**
      * Return the string representation of the object.
      *
+     * @internal
+     *
      * @return string
      */
     public function __toString() : string

src/AnomalyDetectors/Loda.php

@@ -409,6 +409,8 @@ protected function decide(float $score) : int
     /**
      * Return the string representation of the object.
      *
+     * @internal
+     *
      * @return string
      */
     public function __toString() : string

src/AnomalyDetectors/OneClassSVM.php

@@ -242,6 +242,8 @@ public function load(string $path) : void
     /**
      * Return the string representation of the object.
      *
+     * @internal
+     *
      * @return string
      */
     public function __toString() : string

src/AnomalyDetectors/RobustZScore.php

@@ -295,6 +295,8 @@ protected function z(array $sample) : float
     /**
      * Return the string representation of the object.
      *
+     * @internal
+     *
      * @return string
      */
     public function __toString() : string

src/Backends/Amp.php

@@ -158,6 +158,8 @@ public function flush() : void
     /**
      * Return the string representation of the object.
      *
+     * @internal
+     *
      * @return string
      */
     public function __toString() : string

src/Backends/Serial.php

@@ -77,6 +77,8 @@ public function flush() : void
     /**
      * Return the string representation of the object.
      *
+     * @internal
+     *
      * @return string
      */
     public function __toString() : string

src/BootstrapAggregator.php

@@ -253,6 +253,8 @@ protected function decideDiscrete(array $votes) : string
     /**
      * Return the string representation of the object.
      *
+     * @internal
+     *
      * @return string
      */
     public function __toString() : string

src/Classifiers/AdaBoost.php

@@ -497,6 +497,8 @@ public function __serialize() : array
     /**
      * Return the string representation of the object.
      *
+     * @internal
+     *
      * @return string
      */
     public function __toString() : string

src/Classifiers/ClassificationTree.php

@@ -265,6 +265,8 @@ protected function impurity(array $labels) : float
     /**
      * Return the string representation of the object.
      *
+     * @internal
+     *
      * @return string
      */
     public function __toString() : string

src/Classifiers/DummyClassifier.php

@@ -153,6 +153,8 @@ public function predictSample(array $sample) : string
     /**
      * Return the string representation of the object.
      *
+     * @internal
+     *
      * @return string
      */
     public function __toString() : string

src/Classifiers/ExtraTreeClassifier.php

@@ -270,6 +270,8 @@ protected function impurity(array $labels) : float
     /**
      * Return the string representation of the object.
      *
+     * @internal
+     *
      * @return string
      */
     public function __toString() : string

src/Classifiers/GaussianNB.php

@@ -428,6 +428,8 @@ protected function jointLogLikelihood(array $sample) : array
     /**
      * Return the string representation of the object.
      *
+     * @internal
+     *
      * @return string
      */
     public function __toString() : string

src/Classifiers/KDNeighbors.php

@@ -274,6 +274,8 @@ public function probaSample(array $sample) : array
     /**
      * Return the string representation of the object.
      *
+     * @internal
+     *
      * @return string
      */
     public function __toString() : string

src/Classifiers/KNearestNeighbors.php

@@ -316,6 +316,8 @@ protected function nearest(array $sample) : array
     /**
      * Return the string representation of the object.
      *
+     * @internal
+     *
      * @return string
      */
     public function __toString() : string

src/Classifiers/LogisticRegression.php

@@ -470,6 +470,8 @@ public function __serialize() : array
     /**
      * Return the string representation of the object.
      *
+     * @internal
+     *
      * @return string
      */
     public function __toString() : string

src/Classifiers/MultilayerPerceptron.php

@@ -549,6 +549,8 @@ public function __serialize() : array
     /**
      * Return the string representation of the object.
      *
+     * @internal
+     *
      * @return string
      */
     public function __toString() : string

src/Classifiers/NaiveBayes.php

@@ -381,6 +381,8 @@ protected function jointLogLikelihood(array $sample) : array
     /**
      * Return the string representation of the object.
      *
+     * @internal
+     *
      * @return string
      */
     public function __toString() : string

src/Classifiers/RadiusNeighbors.php

@@ -313,6 +313,8 @@ public function probaSample(array $sample) : array
     /**
      * Return the string representation of the object.
      *
+     * @internal
+     *
      * @return string
      */
     public function __toString() : string

src/Classifiers/RandomForest.php

@@ -356,6 +356,8 @@ public function featureImportances() : array
     /**
      * Return the string representation of the object.
      *
+     * @internal
+     *
      * @return string
      */
     public function __toString() : string

src/Classifiers/SVC.php

@@ -269,6 +269,8 @@ public function load(string $path) : void
     /**
      * Return the string representation of the object.
      *
+     * @internal
+     *
      * @return string
      */
     public function __toString() : string

src/Classifiers/SoftmaxClassifier.php

@@ -435,6 +435,8 @@ public function __serialize() : array
     /**
      * Return the string representation of the object.
      *
+     * @internal
+     *
      * @return string
      */
     public function __toString() : string

src/Clusterers/DBSCAN.php

@@ -203,6 +203,8 @@ public function predict(Dataset $dataset) : array
     /**
      * Return the string representation of the object.
      *
+     * @internal
+     *
      * @return string
      */
     public function __toString() : string

src/Clusterers/FuzzyCMeans.php

@@ -446,6 +446,8 @@ public function __serialize() : array
     /**
      * Return the string representation of the object.
      *
+     * @internal
+     *
      * @return string
      */
     public function __toString() : string

src/Clusterers/GaussianMixture.php

@@ -592,6 +592,8 @@ public function __serialize() : array
     /**
      * Return the string representation of the object.
      *
+     * @internal
+     *
      * @return string
      */
     public function __toString() : string

src/Clusterers/KMeans.php

@@ -548,6 +548,8 @@ public function __serialize() : array
     /**
      * Return the string representation of the object.
      *
+     * @internal
+     *
      * @return string
      */
     public function __toString() : string

src/Clusterers/MeanShift.php

@@ -522,6 +522,8 @@ public function __serialize() : array
     /**
      * Return the string representation of the object.
      *
+     * @internal
+     *
      * @return string
      */
     public function __toString() : string

src/Clusterers/Seeders/KMC2.php

@@ -106,6 +106,8 @@ public function seed(Dataset $dataset, int $k) : array
     /**
      * Return the string representation of the object.
      *
+     * @internal
+     *
      * @return string
      */
     public function __toString() : string

src/Clusterers/Seeders/PlusPlus.php

@@ -83,6 +83,8 @@ public function seed(Dataset $dataset, int $k) : array
     /**
      * Return the string representation of the object.
      *
+     * @internal
+     *
      * @return string
      */
     public function __toString() : string

src/Clusterers/Seeders/Preset.php

@@ -91,6 +91,8 @@ public function seed(Dataset $dataset, int $k) : array
     /**
      * Return the string representation of the object.
      *
+     * @internal
+     *
      * @return string
      */
     public function __toString() : string

src/Clusterers/Seeders/Random.php

@@ -32,6 +32,8 @@ public function seed(Dataset $dataset, int $k) : array
     /**
      * Return the string representation of the object.
      *
+     * @internal
+     *
      * @return string
      */
     public function __toString() : string

src/CommitteeMachine.php

@@ -332,6 +332,8 @@ protected function decideContinuous(array $votes) : float
     /**
      * Return the string representation of the object.
      *
+     * @internal
+     *
      * @return string
      */
     public function __toString() : string

src/CrossValidation/HoldOut.php

@@ -80,6 +80,8 @@ public function test(Learner $estimator, Labeled $dataset, Metric $metric) : flo
     /**
      * Return the string representation of the object.
      *
+     * @internal
+     *
      * @return string
      */
     public function __toString() : string

src/CrossValidation/KFold.php

@@ -99,6 +99,8 @@ public function test(Learner $estimator, Labeled $dataset, Metric $metric) : flo
     /**
      * Return the string representation of the object.
      *
+     * @internal
+     *
      * @return string
      */
     public function __toString() : string

src/CrossValidation/LeavePOut.php

@@ -87,6 +87,8 @@ public function test(Learner $estimator, Labeled $dataset, Metric $metric) : flo
     /**
      * Return the string representation of the object.
      *
+     * @internal
+     *
      * @return string
      */
     public function __toString() : string

src/CrossValidation/Metrics/Accuracy.php

@@ -77,6 +77,8 @@ public function score(array $predictions, array $labels) : float
     /**
      * Return the string representation of the object.
      *
+     * @internal
+     *
      * @return string
      */
     public function __toString() : string

src/CrossValidation/Metrics/Completeness.php

@@ -79,6 +79,8 @@ public function score(array $predictions, array $labels) : float
     /**
      * Return the string representation of the object.
      *
+     * @internal
+     *
      * @return string
      */
     public function __toString() : string

src/CrossValidation/Metrics/FBeta.php

@@ -144,6 +144,8 @@ public function score(array $predictions, array $labels) : float
     /**
      * Return the string representation of the object.
      *
+     * @internal
+     *
      * @return string
      */
     public function __toString() : string

src/CrossValidation/Metrics/Homogeneity.php

@@ -80,6 +80,8 @@ public function score(array $predictions, array $labels) : float
     /**
      * Return the string representation of the object.
      *
+     * @internal
+     *
      * @return string
      */
     public function __toString() : string

src/CrossValidation/Metrics/Informedness.php

@@ -111,6 +111,8 @@ public function score(array $predictions, array $labels) : float
     /**
      * Return the string representation of the object.
      *
+     * @internal
+     *
      * @return string
      */
     public function __toString() : string

src/CrossValidation/Metrics/MCC.php

@@ -116,6 +116,8 @@ public function score(array $predictions, array $labels) : float
     /**
      * Return the string representation of the object.
      *
+     * @internal
+     *
      * @return string
      */
     public function __toString() : string

src/CrossValidation/Metrics/MeanAbsoluteError.php

@@ -77,6 +77,8 @@ public function score(array $predictions, array $labels) : float
     /**
      * Return the string representation of the object.
      *
+     * @internal
+     *
      * @return string
      */
     public function __toString() : string

src/CrossValidation/Metrics/MeanSquaredError.php

@@ -77,6 +77,8 @@ public function score(array $predictions, array $labels) : float
     /**
      * Return the string representation of the object.
      *
+     * @internal
+     *
      * @return string
      */
     public function __toString() : string