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

如何选择机器学习算法Choosing-a-Machine-Learning-Classifier如何针对某个分类问题决定使用何种机器学习算法? 当然,如果你真心在乎准确率,最好的途径就是测试一大堆各式各样的算法(同时确保在每个算法上也测试不同的参数),...
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如何选择机器学习算法 - 大数据 & AI - 清泛网 - 专注C++内核技术

如何选择机器学习算法Choosing-a-Machine-Learning-Classifier如何针对某个分类问题决定使用何种机器学习算法? 当然,如果你真心在乎准确率,最好的途径就是测试一大堆各式各样的算法(同时确保在每个算法上也测试不同的参数),...
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如何选择机器学习算法 - 大数据 & AI - 清泛网 - 专注C++内核技术

如何选择机器学习算法Choosing-a-Machine-Learning-Classifier如何针对某个分类问题决定使用何种机器学习算法? 当然,如果你真心在乎准确率,最好的途径就是测试一大堆各式各样的算法(同时确保在每个算法上也测试不同的参数),...
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Convert XLS to CSV on command line

... Open Notepad, create a file called XlsToCsv.vbs and paste this in: if WScript.Arguments.Count < 2 Then WScript.Echo "Error! Please specify the source path and the destination. Usage: XlsToCsv SourcePath.xls Destination.csv" Wscript.Quit End If Dim oExcel Set oExcel = CreateObject(...
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Diff output from two programs without temporary files

... Use <(command) to pass one command's output to another program as if it were a file name. Bash pipes the program's output to a pipe and passes a file name like /dev/fd/63 to the outer command. diff <(./a) <(./b) Similarly you can use >(command) if you want to pipe something into...
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How to check internet access on Android? InetAddress never times out

... - does not work on some old devices (Galays S3, etc.), it blocks a while if no internet is available. B) Connect to a Socket on the Internet (advanced) // TCP/HTTP/DNS (depending on the port, 53=DNS, 80=HTTP, etc.) public boolean isOnline() { try { int timeoutMs = 1500; Socke...
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How to decide font color in white or black depending on background color?

...ine the overall intensity of the color and choose the corresponding text. if (red*0.299 + green*0.587 + blue*0.114) > 186 use #000000 else use #ffffff The threshold of 186 is based on theory, but can be adjusted to taste. Based on the comments below a threshold of 150 may work better for you. ...
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git diff two files on same branch, same commit

sorry if this question exists, I surprisingly could not find it :/ 6 Answers 6 ...
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Import CSV to mysql table

... Do you know if there is a way to set file path to csv file? – JasonDavis Dec 23 '15 at 4:03 ...
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Why the switch statement cannot be applied on strings?

...ered by the history of the compiler. At the time they wrote it, C was glorified assembly and hence switch really was a convenient branch table. – JaredPar Mar 16 '09 at 13:34 121 ...