Benny Distefano – 1985 Donruss #166 (source: baseball-almanac.com)We are approaching the twenty-fifth anniversary of the last time a left-handed throwing catcher appeared behind the plate in a Major League Baseball game; on August 18, 1989 Benny...
tidyr is new package that makes it easy to “tidy” your data. Tidy data is data that’s easy to work with: it’s easy to munge (with dplyr), visualise (with ggplot2 or ggvis) and model (with R’s hundreds of modelling packages).
(This article was first published on librestats » R, and kindly contributed to R-bloggers) R has some extremely useful utilities for profiling, such as system.time(), Rprof(), the often overlooked tracemem(), and the rbenchmark package.
I’ve released four new data packages to CRAN: babynames, fueleconomy, nasaweather and nycflights13. The goal of these packages is to provide some interesting, and relatively large, datasets to demonstrate various data analysis challenges in R.
A Brief Tutorial I wrote by playing with the software at manage.windowsazure.com Using Windows Azure Machine Learning as a service with R #rstats from Ajay Ohri (RT @RickKing16: RT @designieure: Using #Windows #Azure #MachineLearning as a service ...
So, the FIFA World Cup is over. Germany won. Yay! Now with so much less football matches to watch, I tried the awesome new R package rCharts by Ramnath Vaidyanathan. In this case, I used the capability to generate NVD3 charts.
We’ve added a new section of articles to the Shiny Development Center. These articles explain how to create interactive documents with Shiny and R Markdown. You’ll learn how to Use R Markdown to create reproducible, dynamic reports.
In my third post on regex skills for analysts we’ll look at how we put the skills we learnt in part I and part II to use with a simple exercise. We are often faced with a messy datasets in a text format.
I’m finalizing a paper presentation for the ABCP meeting, where I explore poor polling forecast in local elections in Brazil. I drew upon the Jackman (2005)’s paper “Pooling the Polls” to explore a bit about “house effects” in the Brazilian context.
For my paper on the impact of social insurance on the dynamics of conflict in India, I use some new remote sensed weather data. The data comes from the Tropical Rainfall Measuring Mission (TRMM) satellites. The satellite carries a set of five instr
Compare climates from around the world based on NOAA temperature and precipitation data for the past 50 years. Select a city from the drop-down or click one of the circles to compare global weather to that location.
In the previous post, we found the lengths of all winning and losing streaks of teams during a particular season. Here we look more carefully at the significance of clumpy win sequences and clumpy loss sequences.
Karthik Ram http://video.open-bio.org/video/18/fostering-the-next-generation-of-data-driven-open (.@_inundata on " Fostering the Next Generation of Data-driven Open Science with #rstats " http://t.co/fGr1DhEVlQ...