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A friend and I talked to a case, a tablespace originally had a data file (already has a lot of data entered), then he added 7 data files, this time he found that he added more files, want to delete these data files, but do not understand the

The latest version of this article has been updated to http://thinkinside.tk/2013/05/03/r_notes_1_what.html    While learning about quantum investment, I found R (www.r-project.org ). What is R? Before you start, let's take a look at the magic of R.

This article is for you to learn about the R language as well as the steps of the segmented tutorial!There is a general lack of systematic learning methods when people learn R language. Learners do not know where to start, how to proceed, and what

This article is a computer class of high-quality pre-sale recommendation >>>>"R's Geek Ideal-advanced development"Senior R language users years of practical experience of the crystallizationEditor's recommendationSenior R language users for many

The actual work environment, at the beginning of R Research, the first collection is to be able to publish the results of R Web-based framework, non-resistance, R has always been used for personal computers on the client program, everyone habitually

Php Chinese network (www.php.cn) provides the most comprehensive basic tutorial on programming technology, introducing HTML, CSS, Javascript, Python, Java, Ruby, C, PHP, basic knowledge of MySQL and other programming languages. At the same time,

0 reply content: All users who have used the content will answer the question: The requirement of spss for users is that they only need to click the menu. There is a programming window, but it is generally not used. Most users have received some

Introduction: Application Background and spit GrooveContinue to renew the blog at least once a month, summarize the good habits of learning experience.This time the theme is on the combination of R and Excel, also called How to correctly feed the

This text connection: http://blog.csdn.net/freewebsys/article/details/45825267 reprint Please specify the source!1, about RReference Baidu:Http://baike.baidu.com/view/942569.htmR is a free software, it has UNIX, LINUX, MacOS and Windows version, are

  Previous blog's description of the r language: R Http://blog.csdn.net/tianlesoftware/article/details/7304276   The descriptions of these seven tools are organized on the following