import matplotlib.pyplot as pltimport numpy as npimport pandas as pdfrom sklearn.model_selection import ShuffleSplit from sklearn.model_selection import learning_curvefrom sklearn.neighbors import
threshold参数的意义是通过筛选掉低于threshold的参数,来对逻辑回归的特征进行降维。 首先导入相应的模块: from sklearn.linear_model import LogisticRegression as LRfrom sklearn.datasets import load_breast_cancerfrom sklearn.model_selection im