Monthly Archives: August 2014

Testing an R package’s interactive graphs

August 1, 2014
By
Testing an R package’s interactive graphs

I’ve been working on an R package, R/qtlcharts, with D3-based interactive graphs for quantitative trait locus mapping experiments. Testing the interactive charts it produces is a bit of a pain. It seems like I pretty much have to just open a series of examples in a web browser and tab through them manually, checking that

Read more »

Code Snippet: Extracting a Subsample from a Large File

August 1, 2014
By
Code Snippet:  Extracting a Subsample from a Large File

Last week a reader of the r-help mailing list posted a query titled “Importing random subsets of a data file.”  With a very large file, it is often much easier and faster–and really, just as good–to just work with a much smaller subset of the data. Fellow readers then posted rather sophisticated solutions, such as storing

Read more »

Come see RStudio at JSM in Boston

August 1, 2014
By
Come see RStudio at JSM in Boston

The Joint Statistical Meetings (JSM) start this weekend! We wanted to let you know we’ll be there. Be sure to check out these sessions from RStudio and friends: Sunday, August 3 4:00 PM: A Web Application for Efficient Analysis of Peptide Libraries: Eric Hare*+ and Timo Sieber and Heike Hofmann 4:00 PM: Gravicom: A Web-Based

Read more »

UPDATE: 100 Prisoners, 100 lines of code, a game theory example in R

August 1, 2014
By
UPDATE: 100 Prisoners, 100 lines of code, a  game theory example in R

I  was looking for some Game-Theory post in R-bloggers and found this very cool post,  obviously I decided to read the post, to look at the code and implement a version of it.The idea of the post was very cool for me that I thought it would b...

Read more »

The R Markdown Cheat Sheet

August 1, 2014
By
The R Markdown Cheat Sheet

R Markdown is a framework for writing versatile, reproducible reports from R. With R Markdown, you write a simple plain text report and then render it to create polished output. You can: Transform your file into a pdf, html, or Microsoft Word document—even a slideshow—at the click of a button. Embed R code into your report. When

Read more »

Webinar recording: Applications in R

August 1, 2014
By

Many thanks to everyone who attended Tuesday's webinar, Applications in R - Success and Lessons Learned from the Marketplace. We had a great turnout and a very lively Q&A session. I've already shared many of the slides describing how companies like Google, Facebook and the New York Times use R, but this is the first time the presentation has...

Read more »

New d3.js visualization: Interpreting Correlations

August 1, 2014
By
New d3.js visualization: Interpreting Correlations

Here is a new visualization done in d3js. In this visualization I show a scatter plot of two variables with a given correlation. The variables are samples from the standard normal distribution, which are then transformed to have a given correlation by...

Read more »

Search R-bloggers


Sponsors

Never miss an update!
Subscribe to R-bloggers to receive
e-mails with the latest R posts.
(You will not see this message again.)

Click here to close (This popup will not appear again)