本文翻譯自 http://xinhstechblog.blogspot.com/2014/06/storm-vs-spark-streaming-side-by-side.h...
本文翻譯自 http://xinhstechblog.blogspot.com/2014/06/storm-vs-spark-streaming-side-by-side.h...
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機(jī)器學(xué)習(xí)包括許多算法:線性回歸、邏輯回歸缴罗、決策樹(shù)助琐、SVM、隨機(jī)森林面氓、GBDT等等兵钮。那么該如何評(píng)價(jià)某個(gè)算法在數(shù)據(jù)集上的表現(xiàn)呢?這里闡述3個(gè)評(píng)估方法:交叉驗(yàn)證舌界、留一交叉驗(yàn)證掘譬、自助...
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本文簡(jiǎn)介: 用org.apache.http.client.methods下的接口或類完成爬蟲(chóng)程序。 1. 爬蟲(chóng)的基本概念: 爬蟲(chóng)呻拌,是一種自動(dòng)獲取特定網(wǎng)頁(yè)內(nèi)容的程序葱轩。 2. ...