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2-scikit-learn-intro's Introduction

利用Scikit Learn机器学习模块进行建模和预测

这里我们学习Scikit Learn的安装和基本操作,并且尝试通过Scikit Learn对秒 级股票价格数据进行预测。

下载本章实例程序

下载本章节实例程序和数据,只需执行下面操作:

git clone https://github.com/real-time-machine-learning/2-scikit-learn-intro

安装配置软件环境

我们假设读者在Ubuntu或者Mac环境下进行学习。下面的步骤可以供Windows用户 参考,但可能需要稍作修改。

安装Python3

在Ubuntu 下面安装Python 3,只需执行下面操作:

sudo apt-get install python3 python3-pip python3-dev build-essential libffi6 libffi-dev

在Mac下利用Homebrew 安装Python 3,只需执行下面操作:

brew install python3

Windows用户……安装一下Ubuntu好吗?

安装Scikit Learn

这里我们通过Python的Pip配置文件的方法安装Scikit Learn。在后面的Docker学 习中,我们可以看到这样的配置方法非常利于自动化Docker操作。

sudo pip3 install -r requirements.txt

如果一切顺利,上面操作完成以后,我们可以启动Python3并且调用Pandas

python3 
>>> import sklearn 

Scikit Learn基本操作

本章具有多个实例模块:

  • digits-knn.py: 使用K-最近邻估计对扫描数字数据进行分类
  • digits-linear-regression.py: 使用逻辑回归对扫描数字数据进行分类
  • iris-pipeline.py: 使用pipeline对Iris鲜花数据进行分类
  • stock-model.py: 使用Scikit Learn对股价变化进行预测建模

鸣谢

感谢下面各位为本代码提出宝贵意见和指正:


《实时机器学习实战》 彭河森、汪涵

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