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'Conda' or 'pip'

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Which one do you think is better for beginners? And you don't talk about Conda in this book, so dose Conda have some problems? (P.s: This book is really useful.)

能不能研究一下如何登录百度网盘啊

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如题，多谢分享

There is a typo in R Programming : Subsetting Vectors.

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\|============================================================= \| 64% \| Luckily, R accepts negative integer indexes. Whereas x[c(2, 10)] gives us ONLY the 2nd and 10th elements of x, \| x[c(-2, -10)] gives us all elements...

How to start to contribute? Any suggestions?

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Do you have any suggesstions for new people who have no background knowledge about compiling & programming language design about how to start to contribute? I am reading your 'Contribution...