本文翻译自 http://xinhstechblog.blogspot.com/2014/06/storm-vs-spark-streaming-side-by-side.h...
本文翻译自 http://xinhstechblog.blogspot.com/2014/06/storm-vs-spark-streaming-side-by-side.h...
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机器学习包括许多算法:线性回归、逻辑回归、决策树、SVM、随机森林、GBDT等等。那么该如何评价某个算法在数据集上的表现呢?这里阐述3个评估方法:交叉验证、留一交叉验证、自助...
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本文简介: 用org.apache.http.client.methods下的接口或类完成爬虫程序。 1. 爬虫的基本概念: 爬虫,是一种自动获取特定网页内容的程序。 2. ...