I googled for this once upon a time and nothing came up. Hopefully this saves someone ten minutes of digging about in the documentation. You make identity matrices with the keyword diag, and the number of dimensions in parentheses. > diag(3) [,...

R news and tutorials contributed by (552) R bloggers

Here you will find daily **news and tutorials about R**, contributed by over 450 bloggers.You can subscribe for e-mail updates: And get updates to your Facebook: **If you are an R blogger yourself** you are invited to add your own R content feed to this site (**Non-English** R bloggers should add themselves- here)

- Notes from the Tokyo R User Group meeting, 17 April 2014
- Seven forecasting blogs
- Exploring Factors with rCharts and factorAnalytics
- RStata: Funny or just annoying?
- Fracking and House Prices on the Marcellus Shale
- Singleton Remover CSV v0.3
- Modified lencat() — Increased Flexibility with dplyr
- Free interactive R exercises on OpenIntro
- High incidence in Measles Data in Project Tycho
- The Circus Tent Problem with R’s Quadprog
- R-3.1.0 + OpenBLAS Speed Comparisons
- OpenCPU release 1.3 and 1.4
- Testing for Linear Separability with Linear Programming in R
- Play 2048… using R!
- The Current Golden Era of the NBA

June 27, 2012

By IsomorphismesApril 29, 2011

By Nick Horton- Play 2048... using R!
- Installing R packages
- Using apply, sapply, lapply in R
- Basics of Histograms
- Public Universities Should Use Open Source Software
- Make your ggplots shareable, collaborative, and with D3
- Checking (G)LM model assumptions in R
- Quantitative Finance Applications in R - 5: an Introduction to Monte Carlo Simulation
- Box-plot with R – Tutorial

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