1266 search results for "tutorial"

R Tutorials and Learning Materials

May 3, 2012
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We are getting ready to host an R bootcamp this summer at work and I am looking at building on materials that already exist. I just wanted to list a few here while I figure out the best ways to incorporate them. Video Tutorials:This is a fairly ne...

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20 free R tutorials (and one reference card)

April 25, 2012
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If you're just getting started with the R language, R user Pairach Piboonrungroj has published a handly list of 20 free R tutorials published by university departments. Included on the list: Getting Started with the R Data Analysis Package (by Norm Matloff), Getting Started with R (from York University), and An Introduction to R (by Phil Spector). Paraich also...

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Tutorial: Using plot() function

April 19, 2012
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Tutorial: Using plot() function

Hello Readers! This is my first post as a member ofR-bloggers. In this post I'm going to talk about the basic plotting in R, fortwo dimensional. This is a tutorial for beginners in R.To begin with, let's define a vector first. Say wehave vector x, whic...

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SCRIPT for NIR "DEMO" Tutorial – 001

March 28, 2012
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SCRIPT for NIR "DEMO" Tutorial – 001

########### RAW NIR Demo Data##################################demo<-read.table("demo.txt",header=TRUE)VIS<-demoVIS<-as.matrix(VIS)NIR<-demoNIR<-as.matrix(NIR)ALL<-demoALL<-as.matrix(ALL)Protein<-demo...

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R and Hadoop: Step-by-step tutorials

March 14, 2012
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R and Hadoop: Step-by-step tutorials

At the recent Big Data Workshop held by the Boston Predictive Analytics group, airline analyst and R user Jeffrey Breen gave a step-by-step guide to setting up an R and Hadoop infrastructure. Firstly, as a local virtual instance of Hadoop with R, using VMWare and Cloudera's Hadoop Demo VM. (This is a great way to get familiar with Hadoop.)...

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Slides from today’s Big Data Step-by-Step Tutorials: Infrastructure series and Intro to R+Hadoop with RHadoop’s rmr

March 10, 2012
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Slides from today’s Big Data Step-by-Step Tutorials: Infrastructure series and Intro to R+Hadoop with RHadoop’s rmr

Slides from the Boston Predictive Analytics Big Data Workshop tutorials: Big Data Step-by-Step: Infrastructure 1/3: Local VM Big Data Step-by-Step: Infrastructure 2/3: Running R and RStudio on EC2 Big Data Step-by-Step: Infrastructure 3/3: Taking it to the cloud... easily... with Whirr Big Data Step-by-Step: Using R & Hadoop (with RHadoop's rmr package)

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Two-minute tutorials for R beginners

March 9, 2012
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R user Anthony Damico has created "Twotorials": a series of two-minute tutorials for newcomers to R. Topics include how to download and install R, how to do simple arithmetic in r, how to work with data tables in r and many others. The tutorials are especially useful for users of R on Windows, with video demonstrations using the Windows...

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R Tutorial Series: Centering Variables and Generating Z-Scores with the Scale() Function

March 1, 2012
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R Tutorial Series: Centering Variables and Generating Z-Scores with the Scale() Function

Centering variables and creating z-scores are two common data analysis activities. While they are relatively simple to calculate by hand, R makes these operations extremely easy thanks to the scale() function. Tutorial FilesBefore we begin, you may wan...

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The undiscovered country – a tutorial on plotting maps in R

February 25, 2012
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The undiscovered country – a tutorial on plotting maps in R

The ability to handle maps and geospatial images is always a nice trick to have up your sleeve. Almost any sizeable report will contain a map – of a locality, of a country, or of the world. However, very few analysts have the ability to produce these plots for themselves and often resort to using...

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Pre-conference tutorials announced for useR! 2012

January 30, 2012
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The worldwide R user conference, useR! 2012, will take place this year June 12-15 in Nashville, Tennessee. In addition to the regular program of invited and contributed talks, a highlight of every useR! is the pre-conference tutorials: hand-on, half-day in-depth expert-led sessions with a focused on a specific area of methodology with R. This year's roster of tutorials has...

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