1263 search results for "Tutorial"

Parallel R (Linux User & Developer Issue 108)

January 3, 2012
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Parallel R (Linux User & Developer Issue 108)

In the 108. issue of Linux User & Developer was an article “Supercharge your R experience” about using parallel techniques to analyse large amounts of data with R. 4 page step-by-step tutorial shows the basics needed for installing needed packages … Continue reading →

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Lesson 1: Overview of R Language & CloudStat School

January 2, 2012
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Lesson 1: Overview of R Language & CloudStat School

This is the first lesson of CloudStat School, Lesson 1: Overview of R Language & CloudStat School. The objective of this lesson is introducing R Language and how you can be a R programmer or a data analyst through CloudStat School. At the end of this l...

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R resources

January 2, 2012
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Earlier we spoke about PITCHfx resources, and now we will learn about R resources. Well, what is R? Straight from wikipedia:R is a programming language and software environment for statistical computing and graphics. The R lang...

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CloudStat School – The Introduction

January 1, 2012
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CloudStat School is a not yet released open source project. The objective is to create an interactive R Learning Platform. The best way to learn R programming is doing while learning. In CloudStat School, you will see a console box at your top left han...

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NIPALS: Principal Components Analysis with "R" (Part: 002)

January 1, 2012
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NIPALS: Principal Components Analysis with "R" (Part: 002)

We started some posts based on the tutorials of:"Multivariate Statistical Analysis using the R package chemometrics"The first post was:Principal Components Analysis with "R" (Part: 001)Now we continue with a second part.The graphics help us to dec...

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Top 20 R posts of 2011 (and some R-bloggers statistics)

January 1, 2012
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Top 20 R posts of 2011 (and some R-bloggers statistics)

R-bloggers.com is now two years young. The site is an (unofficial) online R journal written by bloggers who agreed to contribute their R articles to the site. In this post I wish to celebrate R-bloggers’ second birthmounth by sharing with you: Links to the top 20 posts of 2011 Statistics on “how well” R-bloggers did Read more...

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Call for Abstracts for useR! 2012

December 24, 2011
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The international R User Conference useR! 2012 will be held June 12-15 at Vanderbilt University in Nashville, Tennessee, USA, with a pre-conference full-day course offered on June 11. Participants are encouraged to submit a one-page abstract for oral or poster presentation at the conference. Half-day tutorials will be held in the morning and afternoon of June 12th. For tutorials,...

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Visualizing categorical data in R

December 21, 2011
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Visualizing categorical data in R

I came across an interesting SAS macro that was used for visualizing log odds relationships of data.  This type of chart is helpful for visualizing the relationship between a binary dependent variable and a continuous independent variable.  I...

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data.frame objects in R (via “R in Action”)

December 18, 2011
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data.frame objects in R (via “R in Action”)

The followings introductory post is intended for new users of R.  It deals with R data frames: what they are, and how to create, view, and update them. This is a guest article by Dr. Robert I. Kabacoff, the founder of (one of) the first online R tutorials websites: Quick-R.  Kabacoff has recently published the book ”R Read more...

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SVN Version Control, R, and some rambling thought on AWS,Rscripts

December 16, 2011
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I do a alot of my modelling on Rstudio hosted on EC2 instances. If you don’t use, I would highly recommend. A brilliant tool. Kudos to the Rstudio team. I have made a personal and professional pledge to obsessively use version control. I hope to show...

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