stanford Python
参考自http://www.johnwittenauer.net/machine-learning-exercises-in-python-part-1/
一、环境的安装(anaconda)
第一步安装开发环境,windows下使用anaconda一键傻瓜式安装
二、数据集
从https://github.com/jdwittenauer/ipython-notebooks上下载下来后有data文件夹
三、part 1
使用jupter打开..\..\..\ipython-notebooks-master\notebooks\ml\-Exercise1.ipynb 练习一的参考笔记
使用Spyder作为开发环境。输入并运行:
import numpy as np import pandas as pd import matplotlib.pyplot as plt #%matplotlib inline import os path = 'F:\ML\ipython-notebooks-master\data\ex1data1.txt' data = pd.read_csv(path, header=None, names=['Population', 'Profit']) data.head() data.describe() data.plot(kind='scatter',x='Population',y='Profit',figsize=(12,8))
#sl