ggplot2 r tutorial

. Powerful data-handling capabilities: Data source access: Through Rmysql, Sparkr, elastic and other software packages, can be achieved from MySQL, Spark, Elasticsearch and other external data engine to obtain data. Data processing: Built-in vector, list, matrix, data.frame, etc., and can through Sqldf, Tidyr, Dplyr, reshape2 and other software packages to achieve two of data processing. Data visualization: Ggplot2, plotly,

Typical data analysis steps:R Language: Language and environment for statistical calculations and plottingData analysis: Statistics, machine learningUse of R1. Case-sensitive, interpreted language2. R Statement Assignment: 3. R Comment: #4. Create vector C ()5. Watch Demo List demo (), Graphic demo demo (graphics)6. Help function7. GETWD () View current working directory, SETWD () set Current working directorySETWD (' e:\\ ') GETWD () [1] "e:/"8. Working space management functions9. Input and ou

which use a formula as the primary argument.For example, Y~x|z represents drawing y about X and drawing multiple graphs with variable z as the basis. > Library (GGPLOT2) > Library (Lattice) > Data (diamonds,package= "Ggplot2") > Sample=diamonds[sample (Nrow (Diamonds), 1000),] > Xyplot (Price~carat,data=sample,groups=cut,auto.key=list (Corner=c (1,0)), Type=c ("P", "Smooth"), span=

This article will continue to make the Chapter I.P7 Rstdio (http://www.rstdio.com/) Reference gettinng Started with R article: Http://support.rstdio.com/hc/en-us/articles/201141096-Getting-Started-With-R Visit Rstdio's homepage: http://rstdio.com/ Reference stages in the envolution of S article: http://cm.bell-labs.com/cm/ms/departments/sia/S/history/html Reference a Brief History of S PS document: http://cm.bell-labs.com/stat/doc/94.11.ps P8

Yesterday, a student who planned a city in South University asked me on Sina Weibo He converted JSON data into a vector image. I have never heard of this conversion before. I went to the website and checked it, the discovery of Chicago really put the city planning data on GitHub, see here: http://thechangelog.com/the-city-of-chicago-is-on-github/ Select one of them at will. Here I select bikeRoutes in Chicago, you can see the projects on GitHub, including data and examples. In readme.

, and complex crowd distribution (people's various attributes, resulting in the distribution of various groups of people). While space, R language has some map methods. So stand on the shoulders of giants and draw a map today.Basic Map Method:1. World map: Some of the R packages contain data on common maps, such as maps, maps of the United States, maps of the U.S. counties, maps of the United States, map of the City of Canada, and maps of the Canadian cities, which can be easily and happily draw

r-cran-matrix r-cran-MGCV r-cran-Nlme R -cran-nnet r-cran-rpart r-cran-spatial r-cran- Survival R-cran-rodbcTo update the above package, you can use the following command (replace Foo):$ sudo apt-get build-dep R-cran-fooInstallation of R package:# Install package > install.packages () # Update package "/usr/local/lib/r/site-library")2. Installing Rstudio2.1 InstallationFirst, go to download the installation files for your system: http://www.rstudio.com/products/rstudio/

Yesterday, a student at the Southern University of the city planning on Sina Weibo @ I, By that he means to convert the JSON data to vector graphics, I didn't hear a good switch before, and I saw that Chicago really put the city planning data on the GitHub, see here: http://thechangelog.com/ the-city-of-chicago-is-on-github/ Choose one of them at random, I choose bike here.Routes in Chicago, you can see the items above GitHub, including data and examples. In the readme.md surprised discovery can

Today encountered an exception, the code is as follows:set.seed(12345)require(ggplot2)AData i p # all rightp p # Error: Aesthetics must either be length one, or the same length as the dataProblems:AData下面的代码就ok:example myplot geom_text(aes(label=rownames(example)), size=4.4, hjust=0.5, vjust=-1)根据异常信息，应该是说Glabel与AData的长度不同，但具体什么原因不了解。stackover上面的解释是：对于0.9.0版本的ggplot2有这个问题，0.9.1版本中已经解决。（http://stackoverflow.

Four graphics systems in the 16.1 RThe underlying graphics functions are automatically called, and the calls to the grid and lattice functions must be loaded with the appropriate packages (such as the Library (lattice)). To invoke the Ggplot2 function you need to download and install the package (Install.packages ("Ggplot2")) and load it before first use (library (GGPLO