Statistics has many canonical data sets. For classification statistics, we have the Fisher's iris data. For Big Data statistics, the canonical data set used in many examples is the Airlines data. And for dotplots, we have the barley data, first popularized by Bill Cleveland in the landmark 1993 text Visualizing Data. Cleveland's innovations in data visualiation were hugely influential...
UseR 2014, days 3-4
Three weeks ago, I’d commented on the first two days of the UseR 2014 conference. I’m finally back to talk about the second half. Dirk Eddelbuettel on Rcpp Dirk...
Geomorph update 2.1.1 now available!
Geomorph users,We have uploaded version 2.1.1 to CRAN. The windows and mac binaries have been compiled and the tarball is available.Version 2.1.1 contains small updates and fixes a few small bugs.New...
Master interactive documents at the Shiny Dev Center
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...
How to update and backup a MySQL database under version control and all within Rstudio
I am trying to have better workflows to ensure data quality and two important things for me are first, scripting as much as posible the data manipulation process, and...
Weekly Variability Simulation of Fantasy Football Projections
In this post, I show how to estimate players’ week-to-week variability in fantasy football points. In a prior post, I demonstrated how to calculate a player’s risk level, as...
Graphing football world cup shots with rCharts
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...
Is difference in proportion appropriate measure to compare performance of a drug over another one?
(This article was first published on MATHEMATICS IN MEDICINE, and kindly contributed to R-bloggers) To leave a comment for the author, please follow the link and comment on his...
The Rise and Fall of the name Jennifer
A recent fascinating post by Analysis at Large got me interested in naming trends analysis. The original post used Social Security data by state to map out the more...
Guns are cool – time effects
September last year I made a post using the shootingtracker data. It is attempted in shootingtracker to register all shootings with at least four victims, be they wounded or dead....
Creating an Interactive Map of Craft Breweries in VA Using the plotly R Package
Well folks, another new year’s resolution down the drain. I was initially shooting for a post each month for 2014. More projects came. Plates were full. Plates were emptied....
US Names by State: Part I (Mary is everywhere!)
I was browsing the Social Security Administration’s website and found a link for the open government initiative (http://www.ssa.gov/open/data/). There seems to be a fair amount of interesting data here,...
July 22: Applications in R Webinar
Just a quick heads-up that I'll be presenting with Neera Talbert (VP Professional Services, Revolution Analytics) in a free webinar on Tuesday, July 22 on Applications in R: Success...
Batman’s Choice
A hero can be anyone, even a man doing something as simple and reassuring as putting a coat on a young boy’s shoulders to let him know the world...
Bio7 R Documentation and Plot Examples
18.07.2014 A very time expensive process is the documentation of software you created yourself. I was finally able to update and improve the documentation for Bio7 and the embedded...
Extracting North American Mesoscale (NAM) Model Data with rNOMADS using DODS
The (relatively) recent upgrade of rNOMADS to version 2.0.0 allows cross platform support for downloading atmospheric and oceanic operational model data into R via the GrADS-DODS system. However, users...
Alternate Price Plots | ggplot2 + magrittr
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R and Meta-Analysis
by Joseph Rickert Broadly speaking, a meta-analysis is any statistical analysis that attempts to combine the results of several individual studies. The term was apparently coined by statistician Gene...
Restaurant Performance Sunk by Selfies
An interesting story appeared over the weekend about a popular NYC restaurant realizing that, although the number of customers they served on a daily basis is about the...
RStudio Webinar with Hadley Wickham: The Grammar and Graphics of Data Science
RStudio has recently announced a series of free webinars open to the public. The first of these seminars is given by Hadley Wickham, Rice University Professor, RStudio Chief Scientist,...
Discontinuity Bayesian Forecasting
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...
Why hadn’t I written a function for that?
I’m often typing the same bits of code over and over. Those bits of code really should be made into functions. For example, I’m still using base graphics. (ggplot2...
Is rainfall reporting endogenous to conflict?
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...
RStudio presents Essential Tools for Data Science with R
The RStudio team recently rolled out new capabilities in RStudio, shiny, ggvis, dplyr, knitr, R Markdown, and packrat. The “Essential Tools for Data Science with R” free webinar series is...
Compile R and OpenBLAS from Source Guide
This guide is intended to aid any R and Linux user who desires a threaded version of BLAS. In particular I hope this will allow other grad students, who...
Comparing localsolver with Rglpk on k-medoids example
Recently I have coauthored a new localsolver package that can be used to solve large scale optimization problems from R. It is a wrapper around commercial solver that is free...
Pick a Color Site built in R with Shiny tags %$%
I started down the color path with yesterday’s post Palette of Colors from Image %>% ggplot2 %>% rCharts + dimple.js. Although R has lots of tools, such as RColorBrewer...
Introducing RcppParallel: Getting R and C++ to work (some more) in parallel
A common theme over the last few decades was that we could afford to simply sit back and let computer (hardware) engineers take care of increases in computing speed thanks to...
FRAMA Part V: Wrap-Up on Confirmatory Indicator/Test Sample
So, it is possible to create a trading system that can correctly isolate severe and protracted downturns, without taking (too … Continue reading →
Plotly: collaborative, publication-quality graphing.
