Blog Archives

Basics of JavaScript and D3 for R Users

October 21, 2012
By
Basics of JavaScript and D3 for R Users

Hadley Wickham, creator of the ggplot2 R package, has been learning JavaScript and its D3 library for the next iteration of ggplot2 (tentatively titled r2d3?)… so I suspect it’s only a matter of time before he pulls the rest of the … Continue reading →

Read more »

Carl Morris Symposium on Large-Scale Data Inference (2/3)

October 20, 2012
By
Carl Morris Symposium on Large-Scale Data Inference (2/3)

Continuing the summary of last week’s symposium on statistics and data visualization (see part 1 and part 3)… Here I describe Dianne Cook’s discussion of visual inference, and Rob Kass’ talk on statistics in cognitive neuroscience. [Edit: I've added a few … Continue reading →

Read more »

Commandeering a map from PDF or EPS, using Inkscape and R

August 24, 2012
By
Commandeering a map from PDF or EPS, using Inkscape and R

I love Nathan Yau’s tutorial on making choropleths from a SVG file. However, if you don’t have a SVG handy already and instead you want to repurpose a map from another vector format such as PDF or EPS, there are … Continue reading →

Read more »

Making R graphics legible in presentation slides

July 30, 2012
By
Making R graphics legible in presentation slides

I only visited a few JSM sessions today, as I’ve been focused on preparing for my own talk tomorrow morning. However, I went to several talks in a row which all had a common problem that made me cringe: graphics … Continue reading →

Read more »

useR 2012: main conference braindump

June 24, 2012
By
useR 2012: main conference braindump

I knew R was versatile, but DANG, people do a lot with it: > > … I don’t think anyone actually believes that R is designed to make *everyone* happy. For me, R does about 99% of the things I … Continue reading →

Read more »

Maps of changes in area boundaries, with R

June 22, 2012
By
Maps of changes in area boundaries, with R

Today a coworker needed some maps showing boundary changes. I used what I learned last week in the useR 2012 geospatial data course to make a few simple maps in R, overlaid on OpenStreetMap tiles. I’m posting my maps and … Continue reading →

Read more »

useR 2012: impressions, tutorials

June 19, 2012
By
useR 2012: impressions, tutorials

First of all, useR 2012 (the 8th International R User Conference) was, hands down, the best-organized conference I’ve had the luck to attend. The session chairs kept everything moving on time, tactfully but sternly; the catering was delicious and varied; … Continue reading →

Read more »

useR 2012: my materials

June 14, 2012
By

Just a quick note that I’ve posted the slides, code, and dataset from my useR 2012 talk. I’m having a great time here in Nashville and will write up a conference review soon, with links to the many excellent packages … Continue reading →

Read more »

Getting SASsy

April 29, 2012
By

Although I am most familiar with R for statistical analysis and programming, I also use a fair amount of SAS at work. I found it a huge transition at first, but one thing that helped make SAS “click” for me … Continue reading →

Read more »

Matrix vs Data Frame in R

April 19, 2012
By

Today I ran into a double question that might be relevant to other R users: Why can’t I assign a dataframe row into a matrix row? And why won’t my function accept this dataframe row as an input argument? A … Continue reading →

Read more »