1840 search results for "ggplot2"

Congressional ideology by state

October 25, 2012
By
Congressional ideology by state

In a recent post, I illustrated how to add a background geom to your ggplot. While that code worked, and the plot looked fine, it was pointed out to me that I was missing an important aspect of plot layering with ggplot2. Namely, it is not, as I previ...

Read more »

Plotting the debate "Winner"

October 24, 2012
By
Plotting the debate "Winner"

As a Political Scientist, it could not be more gauche to talk about the Presidential debate in terms of a winner and a loser, but the occasion provides the opportunity to show how to do (at least) three really useful things: Directly load price and v...

Read more »

RStudio training

October 23, 2012
By
RStudio training

At RStudio, we want you to be effective R users. As well as creating great software, we want to make it easier for you to master R. To this end, we’re very happy to announce our new training offerings. We’re kicking off with two public courses: Effective data visualisation and reports and reproducible research in

Read more »

Presidential Debates 2012

October 23, 2012
By
Presidential Debates 2012

I have been playing with the beta version of qdap utilizing the presidential debates as a data set. qdap is in a beta phase lacking documentation though I’m getting there. In previous blog posts (presidential debate 1 LINK and VP … Continue reading →

Read more »

Distribution of colors by flag

October 22, 2012
By
Distribution of colors by flag

A story: We showed you how to use R to assess flag similarity and make a scatter plot of raster images. Dr. Wickham referred us to the set of 2400 flag icons made available by GoSquared, and then (probably jokingly) challenged us to replicate the cool...

Read more »

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 »

Player timelines with ggplot

October 21, 2012
By
Player timelines with ggplot

Timelines can be quite a handy way of getting an overview of a player’s career in terms of when they played, with which team and who were their contemporaries As often is the case, I turned to Stackoverflow to set me on my way for an R solution. In this instance, I did not take

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 »

Adding a background to your ggplot

October 19, 2012
By
Adding a background to your ggplot

I really enjoy using the DW-NOMINATE data for examples, as I do here. Sometimes it’s useful to indicate regions in the background of a plot — perhaps two-dimensional regions of interest, perhaps one-dimensional periods in time. It’s...

Read more »

Benchmarking distance calculation in R

October 18, 2012
By
Benchmarking distance calculation in R

A typical step in a lot of data mining methods is the calculation of a distance between entities. For example using the nearest-neighbor method it is crucial to do this calculation very efficiently because it is the most time-consuming step of the procedure. Just imagine you want to compute the Euclidean distance between a constantly changing database...

Read more »