Uber二面【一亩三分地论坛面经版】 - Powered by Discuz!



Uber二面【一亩三分地论坛面经版】 - Powered by Discuz!

一个国人小哥,先问了问我的背景,想做什么,我说data analytics相关,predictive modeling之类。然后问我用过什么工具,我说R, Python软件包建desicion tree, random forest模型。于是问random forest的概念,以及当有很多data或者很多树的时候,会不会overfit。
然后感觉小哥是要给我放水吗?问我想做coding题还是algorithm题。我说不知道建一个algorithm会有多难,咱还是coding吧。
于是问了一道best time to buy and sell stock I 的变形。就是给了一定的钱,可以买非整数股。
大环境下大家都在时时刻刻关心股票的节奏吗?

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