1247 search results for "tutorial"

A Video Tour of R, for Beginners

November 19, 2012
By

Coursera's introductory "Statistics One" course uses R for the practical data analysus exercises. To support course participants, Princeton University grad student Laura Suttle created a series of web videos introducing the R interface. These videos are available to the public, and are a great place for anyone new to R to start. The video series isn't designed to teach...

Read more »

R and SQLite: Part 1

November 18, 2012
By

Creating SQLite databases from R

The new definitive guide for setting up Eclipse, StatET, and R on Windows 7

November 17, 2012
By

Quite a while back I wrote some tutorials on getting the StatET plugin for Eclipse running, so that you can write R code and run it within the Eclipse development environment. The developers of all of these pieces of software have kept marching on with...

Read more »

Using R — Packaging a C library in 15 minutes

November 16, 2012
By

This entry is part 14 of 12 in the series Using RYes, this post condenses 50+ hours of learning into a 15 minute tutorial.  Read ‘em and weep.  (That is, you read while I weep.) OK.  For the last week …   read more ...

Read more »

Building a Simple Web App using R

November 13, 2012
By
Building a Simple Web App using R

I’ve been interested in building a web app using R for a while, but never put any time into it until I was informed of the Shiny package.  It looked too easy, so I absolutely had to try it out. First you need to install the package from the command line . options(repos=c(RStudio="http://rstudio.org/_packages", getOption("repos"))) install.packages("shiny")

Read more »

Trees with the rpart package

November 13, 2012
By
Trees with the rpart package

What are trees? Trees (also called decision trees, recursive partitioning) are a simple yet powerful tool in predictive statistics. The idea is to split the covariable space into many partitions and to fit a constant model of the response variable in each partition. In case of regression, the mean...

Read more »

RStudio releases Shiny

November 12, 2012
By

RStudio has released a new package for R. Shiny allows R developers to build simple interactive Web-based interfaces for R scripts, using only R code (no JavaScript development required!). You can see some examples of Shiny in action in this blog post, and there are more details about Shiny's capabilities in this tutorial. Shiny was first announced to beta...

Read more »

Using R — Callling C code with Rcpp

November 12, 2012
By

This entry is part 12 of 12 in the series Using RIn two previous posts we described how R can call C code with .C() and the more complex yet more robust option of calling C code with .Call().  Here …   read more ...

Read more »

Using R — .Call(“hello”)

November 9, 2012
By

This entry is part 10 of 12 in the series Using RIn an introductory post on R APIs to C code, Calling C Code ‘Hello World!’, we explored the .C() function with some ‘Hello World!’ baby steps.  In this post …   read more ...

Read more »

Introducing Shiny: Easy web applications in R

November 8, 2012
By
Introducing Shiny: Easy web applications in R

Say hello to Shiny, a new R package that we’re releasing for public beta testing today. Shiny makes it super simple for R users to turn analyses into interactive web applications that anyone can use. These applications let you specify input parameters using friendly controls like sliders, drop-downs, and text fields; and they can easily

Read more »