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Semi-supervised Classification on a Text Datase...
sum ( 1 for x in y_train if x == - 1 )) clf . fit (...training set: 1706 End of iteration 1, added 1076 new labels. End of...scikit-learn.org/stable/auto_examples/semi_supervised/plot_semi_supervised_newsgroups.html -
Color Quantization using K-Means — scikit-learn...
(need to # be in the range [0-1]) china = np . array ( china ,...random_state = 0 , n_samples = 1_000 ) kmeans = KMeans ( n_clusters...scikit-learn.org/stable/auto_examples/cluster/plot_color_quantization.html -
6.8. Pairwise metrics, Affinities and Kernels —...
for choosing gamma is 1 / num_features S = 1. / (D / np.max(D))...>>> Y = np . array ([[ 1 , 0 ], [ 2 , 1 ]]) >>> pairwise_distances...scikit-learn.org/stable/modules/metrics.html -
Comparison between grid search and successive h...
1e-1 , 1e-2 , 1e-3 , 1e-4 , 1e-5 , 1e-6 , 1e-7 ] Cs = [ 1 , 10...scikit-learn.org/stable/auto_examples/model_selection/plot_successive_halving_heatmap.html -
3.3. Tuning the decision threshold for class pr...
1, 1]) While these hard-coded rules...case an insurance company). 3.3.1.1. Options to tune the decision...scikit-learn.org/stable/modules/classification_threshold.html -
Selecting the number of clusters with silhouett...
from -1, 1 but in this example all # lie within [-0.1, 1] ax1...set_xlim ([ - 0.1 , 1 ]) # The (n_clusters+1)*10 is for inserting...scikit-learn.org/stable/auto_examples/cluster/plot_kmeans_silhouette_analysis.html -
adjusted_mutual_info_score — scikit-learn 1.6.0...
1 , 1 ], [ 0 , 0 , 1 , 1 ]) ... 1.0 >>> adjusted_mutual_info_score...e ([ 0 , 0 , 1 , 1 ], [ 1 , 1 , 0 , 0 ]) ... 1.0 If classes members...scikit-learn.org/stable/modules/generated/sklearn.metrics.adjusted_mutual_info_score.html -
Logistic Regression 3-class Classifier — scikit...
1 ], c = Y , edgecolors = "k" ,...scikit-learn.org/stable/auto_examples/linear_model/plot_iris_logistic.html -
d2_absolute_error_score — scikit-learn 1.6.0 do...
1 ], [ - 1 , 1 ], [ 7 , - 6 ]] >>> y_pred...User Guide . Added in version 1.1. Parameters : y_true array-like...scikit-learn.org/stable/modules/generated/sklearn.metrics.d2_absolute_error_score.html -
Comparison of the K-Means and MiniBatchKMeans c...
centers = [[ 1 , 1 ], [ - 1 , - 1 ], [ 1 , - 1 ]] n_clusters...ax = fig . add_subplot ( 1 , 3 , 1 ) for k , col in zip ( range...scikit-learn.org/stable/auto_examples/cluster/plot_mini_batch_kmeans.html