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如何选择机器学习算法 - 大数据 & AI - 清泛网移动版 - 专注C++内核技术

...g algorithm to choose for your classification problem? Of course, if you really care about accuracy, your best bet is to test out a couple different ones (making sure to try different parameters within each algorithm as well), and select the best one by cross-validation. But if you’re simply l...
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如何选择机器学习算法 - 大数据 & AI - 清泛网移动版 - 专注C++内核技术

...g algorithm to choose for your classification problem? Of course, if you really care about accuracy, your best bet is to test out a couple different ones (making sure to try different parameters within each algorithm as well), and select the best one by cross-validation. But if you’re simply l...
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如何选择机器学习算法 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

...g algorithm to choose for your classification problem? Of course, if you really care about accuracy, your best bet is to test out a couple different ones (making sure to try different parameters within each algorithm as well), and select the best one by cross-validation. But if you’re simply l...
https://www.tsingfun.com/it/bi... 

如何选择机器学习算法 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

...g algorithm to choose for your classification problem? Of course, if you really care about accuracy, your best bet is to test out a couple different ones (making sure to try different parameters within each algorithm as well), and select the best one by cross-validation. But if you’re simply l...
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Batch File; List files in directory, only filenames?

...s is probably a very simple question, but I'm having trouble with it. Basically, I am trying to write a Batch File and I need it to list all the files in a certain directory. The dir command will do this, but it also gives a bunch of other information; I want it to list ONLY the file names and e...
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Generating an Excel file in ASP.NET [closed]

... am about to add a section to an ASP.NET app (VB.NET codebehind) that will allow a user to get data returned to them as an Excel file, which I will generate based on database data. While there are several ways of doing this, each has its own drawbacks. How would you return the data? I'm looking...
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MYSQL OR vs IN performance

...than using OR. Do not believe people who give their "opinion", science is all about testing and evidence. I ran a loop of 1000x the equivalent queries (for consistency, I used sql_no_cache): IN: 2.34969592094s OR: 5.83781504631s Update: (I don't have the source code for the original test, as it...
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Is it safe to remove selected keys from map within a range loop?

... Dave C 6,43244 gold badges3636 silver badges5454 bronze badges answered Apr 22 '14 at 21:19 SebastianSebastian ...
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Boolean operators && and ||

...es the longer form "appropriate for programming control-flow and [is] typically preferred in if clauses." So you want to use the long forms only when you are certain the vectors are length one. You should be absolutely certain your vectors are only length 1, such as in cases where they are funct...
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HTML: Include, or exclude, optional closing tags?

... The optional ones are all ones that should be semantically clear where they end, without needing the end tag. E.G. each <li> implies a </li> if there isn't one right before it. The forbidden end tags all would be immediately followe...