用途：中英文学习笔记，如有侵权，可评论留言，及时清理；学历：NUS计算机硕士；SYSU地球物理学士

from sklearn.metrics import mean_square_errorfrom sklearn.model_selection import train_test_splitimport numpy as npimport matplotlib.pyplot as pltdef plot_learning_curves(model, X, y): """ 画学习曲线 parameters ---------- model: 模型

1. 获取和加载数据import osimport tarfilefrom six.moves import urllibDOWNLOAD_ROOT = "http://spamassassin.apache.org/old/publiccorpus/"HAM_URL = DOWNLOAD_ROOT + "20030228_easy_ham.tar.bz2"SPAM_URL = DOWNLOAD_ROOT + "20030228_spam.tar.bz2"SPAM_PATH = os.pat

1. 获取和加载数据import osimport pandas as pdTITANIC_PATH = os.path.join("datasets", "titanic")def load_titanic_data(filename, titanic_path=TITANIC_PATH):# 加载数据 csv_path = os.path.join(titanic_path, filename) return pd.read_csv(csv_path)train_data = lo

1. 设定# To support both python 2 and python 3from __future__ import division, print_function, unicode_literals# Common importsimport numpy as npimport osnp.random.seed(42)%matplotlib inlineimport matplotlib as mplimport matplotlib.pyplot as plt

1.设置确保matplotlib工作和写函数来保存图片保证python2和python3的可以使用from __future__ import division, print_function, unicode_literalsimport numpy as npimport os# 确保notebook运行时结果稳定np.random.seed(42)# 修改默认属性%matplotlib inlineimport matplotlib as mplimport matplot