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Name: lemon
Type: User
Name: lemon
Type: User
使用决策树做预测需要以下过程:(1) 收集数据:可以使用任何方法。(2)准备数据:树构造算法只适用于标称型数据,因此数值型数据必须离散化。(3)分析数据:可以使用任何方法,构造树完成之后,我们应该检查图形是否符合预期。(4)训练算法:构造树的数据结构。(5)测试算法:使用经验树计算错误率。(6)使用算法:此步骤可以适用于任何监督学习算法,而使用决策树可以更好地理解数据的内在含义。
GeoHash是目前比较主流实现位置服务的技术,用最简洁的Java实现GeoHash算法
kaggle贷款违约预测
kaggle贷款违约预测 :主要研究如何借助非平衡数据分类的**对银行等金融机构的历史贷款数据进行分析,并基于随机森林分类模型预测贷款违约的可能性
k-近邻算法采用测量不同特征值之间的距离方法进行分类。优点:精度高、对异常值不敏感,无数据输入假定。缺点:计算复杂度高、空间复杂度高。适用范围:数值型和标称型。
Materials and IPython notebooks for "Python for Data Analysis" by Wes McKinney, published by O'Reilly Media
《利用Python进行数据分析·第2版》
Kaggle入门比赛(top20%)
对 Titanic 号上的乘客属性进行分析,找出影响生还率的因素,建立模型预测乘客的存活状况。
A declarative, efficient, and flexible JavaScript library for building user interfaces.
🖖 Vue.js is a progressive, incrementally-adoptable JavaScript framework for building UI on the web.
TypeScript is a superset of JavaScript that compiles to clean JavaScript output.
An Open Source Machine Learning Framework for Everyone
The Web framework for perfectionists with deadlines.
A PHP framework for web artisans
Bring data to life with SVG, Canvas and HTML. 📊📈🎉
JavaScript (JS) is a lightweight interpreted programming language with first-class functions.
Some thing interesting about web. New door for the world.
A server is a program made to process requests and deliver data to clients.
Machine learning is a way of modeling and interpreting data that allows a piece of software to respond intelligently.
Some thing interesting about visualization, use data art
Some thing interesting about game, make everyone happy.
We are working to build community through open source technology. NB: members must have two-factor auth.
Open source projects and samples from Microsoft.
Google ❤️ Open Source for everyone.
Alibaba Open Source for everyone
Data-Driven Documents codes.
China tencent open source team.