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安装R-package XML遇到的问题和解决方式 这个问题已经困扰了我很久很久一直找不到解决之法，后来终于找到了！ 安装R-package XML遇到的问题和解决方式 这个问题已经困扰了我很久很久一直找不到解决之法，后来终于找到了！ Fedora 27, R 3.5.0, libxml和libxm 阅读全文
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get the absolute path of a file in linux 阅读全文
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The way to check the color and coreponding value pairs in ggplot2 To see what colors are used to make your plot you can use function ggplot_build() an 阅读全文
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Python: How To Generate a List Of Letters In The Alphabet 阅读全文
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I want Jupyter to print all the interactive output without resorting to print, not only the last result. How to do it?Example : a=3 a a+1 I would like 阅读全文
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1. how to temporarily unload the packages in R use the unloadNamespace("Daim") to unload the Daim package Daim package has been removed. 阅读全文
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fold : Usage: fold [OPTION]... [FILE]...Wrap input lines in each FILE (standard input by default), writing tostandard output. Mandatory arguments to l 阅读全文
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Quit and restart a clean R session from within R? If you're in RStudio: 阅读全文
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print 函数的打印格式： 阅读全文
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1. Compressing Files at the Shell Prompt Red Hat Enterprise Linux provides the bzip2, gzip, and zip tools for compression from a shell prompt. The bzi 阅读全文