From sklearn metrics metrics offers a couple of other metrics which are used in the literature to evaluate the quality of classifiers. array(y_test), np. Classification metrics# Currently, scikit-learn only offers the sklearn. Sep 5, 2023 · Scikit-learn中metrics模块是专门设计用来评估模型性能的一个模块。 本文将介绍metrics模块中常用的用于评估二分类模型的函数及其使用方法。 混淆矩阵混淆矩阵是一种常见的分类模型性能评估工具,它可以帮助我们了解模型对不同类别的分类情况。 Apr 5, 2013 · Another option is to calculate the confusion matrix, which tells you the accuracy of both classes and the alpha and beta errors: from sklearn. datasets import load_breast_cancer import matplotlib. 24. top_k_accuracy_score (y_true, y_score, *, k = 2, normalize = True, sample_weight = None, labels = None) [source] # Top-k Accuracy classification score. 4. Jul 8, 2022 · List of scorers for example used to be accessible through from sklearn. Note: this implementation is restricted to the binary classification task. evsozitdbnafrxnumhfgocpsrljmypvttgutgdijggohicazeinbjfdxratqegoquwasawlvvhfk