rstudio rmarkdown

MATLAB dedicated to matrix computing.spss-Another statistical analysis softwareSAS System-another statistical analysis softwareInstallation• R official website Download 3.1.3In the installation of the R language environment, the installation directory is best not to include spaces, special characters, Chinese characters, etc., or when installing Rstudio, may not find the address of the R operating environment;　　　　IDE Development environment using Rst

(1) Installation: sudo apt-get install R-base-core (2) If the system has been installed but not good use, need to uninstall (as long as the error is uninstalled)Uninstall command: sudo apt-get autoremove r-base-core (3) After the system inside the package update, command sudo apt-get update (4) finally execute (1) to see if it can be installed.R language editing software is called Rstudio, can be downloaded here: https://www.rstudio.com/products/

new project template that helps you package all your Windows projects into the. appx container. Enhanced for Live unit testing to support the MSTest version 1 framework and to improve the visibility of this feature. You can deploy, test, and debug applications directly on IOS and Android devices with Xamarin Live. New support for CMake 3.9 and a more flexible CMAKE project structure. You can now target Linux from the CMake project. Use the existing CMake base code as a solution without convert

Data.frame object S.set ("DF", new double[][] {{1, 2, 3}, {4, 5,6}, {7, 8, 9}, {Ten, one, one}}, "x1", "X2", "x3"); Double df$x1_3 = S.eval ("df$x1[3]"). Asdouble (); System.out.println (df$x1_3); S.RM ("DF"); Generate a graphics file S.eval ("GETWD ()"); S.tojpeg (New File ("./output/plot.png"), 10, "Plot (Rnorm ())"); Output String HTML = s.ashtml in HTML format ("Summary (Rnorm (100))"); SYSTEM.OUT.PRINTLN (HTML); Output String txt = s

Tags: clu use int scale methods his primary base popIf your primary objective is to query your data in Hadoop to browse, manipulate, and extract it into R, then you probably Want to use SQL. You can write the SQL code explicitly to interact with Hadoop, or you can write SQL code implicitly with dplyr . The package had dplyr a generalized backend for data sources this translates your R code into SQL. You can use RStudio and to work dplyr with several o

By writing the Great Wall poem October 30, 2011 Comments Off First, data importFor beginners, facing a blank command-line window, the first real difficulty may be the import of data. There are many ways to import data, such as fetching from Web pages, obtaining public data sources, and importing text files. For a quick start, it is recommended that beginners take the R language in collaboration with Excel spreadsheet methods. That is, you first read and organize the d

Person in charge: Boymatt ru PARTNER: Honourable Contracted staff: Xiang Yurong The background of student performance management, looks like a simple project, but for our future development is very important, the construction of a management background there are many ways, here we mainly use Rstudio, in the following article, will give details of our team to complete the process of the project and encountered problems, welcome everyone to learn from,

(Rnorm (10))"); Output String html = s.ashtml ("Summary (Rnorm (100))" in HTML format; SYSTEM.OUT.PRINTLN (HTML); Output String txt = s.asstring ("Summary (Rnorm (100))" in text format; SYSTEM.OUT.PRINTLN (TXT); Install the new Class library System.out.println (S.installpackage ("sensitivity", true); S.end (); } } Compare Rserve Javaapi (Reference article: Rserve communication with Java), is not feel rsession again friendly. When we use

frame will be seen before another object with the same name that is lower in the searchpath, since your object isHigher in the searchpath. Thus, your object is 'masking' the other. I did not see another object called column_name in my version of the datasets package, so perhaps you have done some manipulation on those objects during your r session. As a general comment, as has been discussed previusly in other threads, this is a potentially significant danger in the habit of using attach () and

diagram 2. ggplot2--Theme: http://blog.csdn.net/bone_ace/article/details/47267505 How do i insert a theme? Two themes from Ggplot2 10 themes for the Ggthemes package 3, the R language of various errors and solutions: http://blog.csdn.net/bone_ace/article/details/47324233 Connection Database error: Negative length vectors is not allowed Connection Database error: First argument is not an open RODBC channel Connection Database error: Incorrect number of

and files for the specified directory. > dir (path= "/home/conan/r") [1] "A.txt" "Catools" [3] "Chinaweather" " Demorjava "[5]" env "" Fastrweb "[7]" Font "" FS "[9]" GitHub " "Lineprof" [One] "Pryr" "Readme.txt" [] "Rmysql" "Rserve" [[] "Rstudio-server-0.97.551-amd64.deb" "websockets" [+] "x86_64-pc-linux-gnu-library" # lists only subdirectories or files that start with the letter R Gt Dir (path

)sourceCpp(file=‘demo.cpp‘)hello(‘R‘)Code that executes the R language# 加载Rcpp包> library(Rcpp)# 编译和加载demo.cpp文件> sourceCpp(file=‘demo.cpp‘)# 执行封装在demo.cpp中的R代码> hello(‘world‘)hello world[1] "world"> hello(‘Conan‘)hello Conan[1] "Conan"# 执行hello函数> hello(‘R‘)hello [1]R "R"A very simple HelloWorld program, this is done.2.2 R and Rcpp mixed-write codeThe above 2 lines of code, completed R on C + + program calls, Sourcecpp () function is really powerful. In fact, the sourcecpp () function also provi

1. You need to install the R,rstudio in Mac OS First, this is relatively simple, skim2. Download the compiled spark (spark-2.0.0-bin-hadoop2.6.tgz) and download it to your desired version on the Spark website.Unzip spark to the specified directory　　$ TAR-ZXVF spark-2.0.0-bin-hadoop2.6.tgz-c ~/I unzip here after the catalog of Spark is (/users/hduser/spark-2.0.0-bin-hadoop2.6)3. Open Rstudio, install the rel

1. Clear Screen Ctrl+L2. Exit Q ()3. Set the workspace getwd () SETWD ('D:\\Program Files\\rstudio\\workspace')4. List of files under current working directory List.files () Choose.dir () dir ("D:\\Program Files\\rstudio\\workspace", Full.names=t, All.files=t, recursive=T)5. Install package install.packages ("Gstat") Remove.packages ("Gstat")#DeleteUpdate.packages ()#update all packages that are already ins

; Install.packages ("shiny")After running successfully (ctl + C) exit the R interface2.3 Installing Shiny-server[emailprotected]:~$ sudo apt-get install gdebi-core[emailprotected]:~$ wget https://download2.rstudio.org/rstudio-server-1.0.44-amd64.deb[emailprotected]:~$ sudo gdebi rstudio-server-1.0.44-amd64.deb2.4 start and close Shiny-serverstart shiny-server # Start Stop shiny-server # Stop restart Shiny-s

1. File System IntroductionThe R language operates on file systems, including file operations and directory operations, and function APIs are defined in the base package.2. Directory Operations2.1 View CatalogView subdirectories under the current directory.Rgetwd()list.dirs()[1] "." "./tmp"View subdirectories and files for the current directory.>dir ()[1] "readme.txt" "tmp" # View subdirectories and files for the specified directory. >dir (path= "/home/conan/r")[1] "A.txt" "Catools" [3] "Chi

Recently want to learn, R yesterday installed a r and Rstudio, after the installation is completed, would like to find a processing Excel practice, so found a xlsx package, after the error, such as:Troubled a day, or did not solve, and finally find a solution on the internet, so record, I hope that the same problems appear useful.Workaround: Execute command on mac Terminal: sudo ln-s $ (/usr/libexec/java_home)/jre/lib/server/libjvm.dylib/usr/local/lib

R Language Data Mining Combat series (2)Ii. Introduction to the language of RThe R language is a locale designed for statistical computation and graphical display, with free, multi-platform support, and the ability to import data from various types of data sources, with high openness and a high level of cartographic capabilities. R is a large-scale application software, mainly includes the core R standard package and other specialized areas of the package. R has a special advantage in the field

the latest version, and some new libraries require a new version of R support that requires an update source to install or update R 2.to install or update R by updating the source2.1 Adding a new Source (command-line)sudo gedit/etc/apt/sources.listAdd: Deb http://cran.stat.ucla.edu/bin/linux/ubuntutrusty/Save (trusty for Ubuntu version number) 2.2 is executed at the command line:sudo apt-get update (update source)sudo apt-get install r-base r-recommended (installation)Orsudo apt-get upgrade (up

clipboard : See the previous column, we can read the data directly from the Clipboard, first in Excel to select the data area to read, right-click Copy, and then execute the read.table ("clipboard") statement.> Test > TestFruitprice1 Apple 5.982 Apple 3.503 Banana 4.504 Grapefruit 4.805 Grape 8.705. Methods for merging two tablesHere are two tables similar to the method of join in MySQL--merge (), which by default intersects with the same column name as two tables. The introduction of the metho