Monthly Archives: June 2014

Interactive, web-ready ggplot2-style graphics with ggvis

June 25, 2014
By
Interactive, web-ready ggplot2-style graphics with ggvis

Hadley Wickham's been working on the next-generation update to ggplot2 for a while, and now it's available on CRAN. The ggvis package is completely new, and combines a chaining syntax reminiscent of dplyr with the grammar of graphics concepts of ggplot2. The resulting charts are web-ready in scalable SVG format, and can easily be made interactive thanks to RStudio's...

Read more »

Cleaning up oversized github repositories for R and beyond

June 25, 2014
By
Cleaning up oversized github repositories for R and beyond

The version control system Git is an amazing piece of software for tracking every change that you make to a project and saving its entire history. It is incredibly useful, for users of R and other programming languages, leading it shoot from 0 market share in 2005 (when it was first released) to market domination in one short decade. However, Git can cause confusion....

Read more »

Identify Sleepers in Fantasy Football using Statistics and Wisdom of the Crowd

June 24, 2014
By
Identify Sleepers in Fantasy Football using Statistics and Wisdom of the Crowd

In this post, I demonstrate how to statistically identify sleepers in fantasy football using the wisdom of the crowd. The R Scripts The R Script for the “Wisdom of the The post Identify Sleepers in Fantasy Football using Statistics and Wisdom of the Crowd appeared first on Fantasy Football Analytics.

Read more »

Do you believe in World Cup superstition?

June 24, 2014
By
Do you believe in World Cup superstition?

If you believe in supernatural causality, you will love what the numbers of the World Cup have to say which team is going to win this Cup in Brazil. According to this numerology approach neither Brazil nor Germany or Netherlands will be the winner, but Uruguay. The table below shows my reason. This was produced

Read more »

ABC model choice by random forests

June 24, 2014
By
ABC model choice by random forests

After more than a year of collaboration, meetings, simulations, delays, switches,  visits, more delays, more simulations, discussions, and a final marathon wrapping day last Friday, Jean-Michel Marin, Pierre Pudlo,  and I at last completed our latest collaboration on ABC, with the central arguments that (a) using random forests is a good tool for choosing the

Read more »

Bedtools tutorial from 2013 CSHL course

June 24, 2014
By
Bedtools tutorial from 2013 CSHL course

A couple of months ago I posted about how to visualize exome coverage with bedtools and R. But if you're looking to get a basic handle on genome arithmetic, take a look at Aaron Quinlan's bedtools tutorials from the 2013 CSHL course. The tutorial uses ...

Read more »

Open Source Playing with ggvis using rCharts, angular, uikit, ace-editor

June 24, 2014
By

Open source allows us to do amazing things.  Take me for example.  I am a below average coder, and I can hack together these incredibly powerful tools to do something like below. Some might naively say that rCharts and ggvis are competitors.  Howeve...

Read more »

Statistics and R at the Intel ISEF Science Fair

June 24, 2014
By
Statistics and R at the Intel ISEF Science Fair

by Wayne Smith, Ph.D. California State University, Northridge Editor's note: This post was abstracted from the monthly newsletter of the Southern California Chapter of the ASA. On May 13th and 14th, the Intel International Science and Engineering Fair (Intel ISEF) the world’s largest international pre-college competition, was held at the Los Angeles Convention Center. I was blessed with the...

Read more »

Example 2014.7: Simulate logistic regression with an interaction

June 24, 2014
By
Example 2014.7: Simulate logistic regression with an interaction

Reader Annisa Mike asked in a comment on an early post about power calculation for logistic regression with an interaction. This is a topic that has come up with increasing frequency in grant proposals and article submissions. We'll begin by showing how to simulate data with the interaction, and in our next post...

Read more »

Come see RStudio at UseR! 2014

June 24, 2014
By
Come see RStudio at UseR! 2014

The R User Conference 2014 is coming up fast in Los Angeles! RStudio will be there in force to share the latest enhancements to shiny, ggvis, knitr, dplyr. R markdown, packrat and more.  Here’s a quick snapshot of our scheduled sessions. We hope to see you in as many of them as you can attend! Monday,

Read more »