1656 search results for "time series"

R Community in Australia

September 17, 2009
By
R Community in Australia

One of the nice aspects of R is the community of users that has built up around it. The open-source model seems to create an orientation of sharing and contribution. Users benefit from R and then they give back in the form of new packages, free documen...

Read more »

ggplot2 Version of Figures in “Lattice: Multivariate Data Visualization with R” (Final Part)

August 25, 2009
By
ggplot2 Version of Figures in “Lattice: Multivariate Data Visualization with R” (Final Part)

Over the past weeks I have tried to replicate the figures in Lattice: Multivariate Data Visualization with R using Hadley Wickham’s ggplot2. With the exception of a few graph types (e.g. ggplot2 doesn’t support 3d-graphs, and there were a few other cases), it was possible to create ggplot2 versions of almost all the figures. Sometimes this

Read more »

ggplot2 Version of Figures in “Lattice: Multivariate Data Visualization with R” (Part 13)

August 20, 2009
By
ggplot2 Version of Figures in “Lattice: Multivariate Data Visualization with R” (Part 13)

This is the 13th post in a series attempting to recreate the figures in Lattice: Multivariate Data Visualization with R (R code available here) with ggplot2. Previous parts in this series: Part 1, Part 2, Part 3, Part 4, Part 5, Part 6, Part 7, Part 8, Part 9, Part 10, Part 11, Part 12. Chapter 14

Read more »

Example 7.9: Get data from SAS into R

August 8, 2009
By
Example 7.9: Get data from SAS into R

Some people use both SAS and R in their daily work. They might be more familiar with SAS as a tool for manipulating data and R preferable for plotting purposes. While our goal in the book is to enable people to avoid having to switch back and forth, ...

Read more »

Simple Data Visualization

July 16, 2009
By
Simple Data Visualization

OK, so, I know I already raved about one Hadley Wickham project and how it has changed my life last week. But what can I say, the man is a genius. And if you are using R (and let’s face it, you should be) and you want simple sexy graphs made quick, the man has

Read more »

open-source campaign finance analysis with R and MySQL

June 18, 2009
By
open-source campaign finance analysis with R and MySQL

Introduction In Part 1 of this tutorial we introduced the fechell library by extracting all itemized contributions from individuals made to the Obama For America campaign in 2007 and 2008. In Part 2 of the tutorial we will summarize that data set by importing it into a MySQL database and aggregating contributions by week and

Read more »

R tips: Installing Rmpi on Fedora Linux

June 12, 2009
By
R tips: Installing Rmpi on Fedora Linux

Somebody on the R-help mailing list asked how to get Rmpi working on his Fedora Linux machine so he could do high-performance computing on a cluster of machines (or a single multicore machine) using the R statistical computing and analysis platform. Since it is unusually painful to get working, I might as well copy the instructions...

Read more »

R tips: Installing Rmpi on Fedora Linux

June 12, 2009
By
R tips: Installing Rmpi on Fedora Linux

Somebody on the R-help mailing list asked how to get Rmpi working on his Fedora Linux machine so he could do high-performance computing on a cluster of machines (or a single multicore machine) using the R statistical computing and analysis platform. Since it is unusually painful to get working, I might as well copy the instructions...

Read more »

Learning R for Researchers in Psychology

June 6, 2009
By
Learning R for Researchers in Psychology

R is a powerful environment for statistical computing. Here is a selective list of resources on R with an emphasis on resources useful for researchers in psychology.Psychology specific R resourcesR Notes for Experimental PsychologyWilliam Revelle's Psy...

Read more »

How to win the KDD Cup Challenge with R and gbm

June 1, 2009
By
How to win the KDD Cup Challenge with R and gbm

Hugh Miller, the team leader of the winner of the KDD Cup 2009 Slow Challenge (which we wrote about recently) kindly provides more information about how to win this public challenge using the R statistical computing and analysis platform on a laptop (!).

Read more »