Blog Archives

Choosing colour palettes. Part II: Educated Choices.

June 7, 2012
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Choosing colour palettes. Part II: Educated Choices.

There are many resources on the use of colours in R, several packages, and a number of schemes already implemented in ggplot2. In the previous part, we saw how ggplot2 selects a default colour palette according to the type of variable, discrete or cont...

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Managing the deluge of DNA data

June 5, 2012
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Managing the deluge of DNA data

The explosion in DNA sequencing capacity has shifted the experimental bottleneck from sequencing to analyzing and interpreting sequences. The bioconductor package cummeRbund uses ggplot as part of its tool set for organizing, exploring and visualizing ...

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Messy matters explores the probability of winning of basketball…

June 4, 2012
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Messy matters explores the probability of winning of basketball…

Messy matters explores the probability of winning of basketball game when you’re ahead by x points y minutes before the end of the game.

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Posts about ggplot2 on r-bloggers

June 3, 2012
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You can also get your fix of ggplot2 on r-bloggers (where this blog is also syndicated): http://www.r-bloggers.com/search/ggplot

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Visualizing car brand choices in ggplot2

June 2, 2012
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Visualizing car brand choices in ggplot2

Visualizing car brand choices in ggplot2:

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Choosing colour palettes. Part I: Introduction

May 29, 2012
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Choosing colour palettes. Part I: Introduction

In this series of three posts, we’ll look at colours in R graphics produced with ggplot2: what are the available choices of colour schemes, and how to choose a colour palette most suitable for a particular graphic?In kindergarten, choosing a co...

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Ben Schmid took ship’s log data (previously visualized in…

May 27, 2012
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Ben Schmid took ship’s log data (previously visualized in…

Ben Schmid took ship’s log data (previously visualized in static form on the the Spatial Analysis blog), and used ggplot and ffmpeg to animate the paths of individual voyages from 1750-1850. The images above come from the animation that combines all ...

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Automating repetitive plot elements

May 26, 2012
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Automating repetitive plot elements

The syntax of ggplot2 emphasizes constructing plots by adding components, or layers, using +.Possibly one of the most useful, but least remarked upon, consequences of this syntax is that it allows for an incredible degree of flexibility in saving and...

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Sunlight foundation analyses complexity of congressional speech

May 22, 2012
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Sunlight foundation analyses complexity of congressional speech

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Adding watermarks to plots

May 22, 2012
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Adding watermarks to plots

A question was raised today on the mailing list: Is there an easy way to add a watermark to a ggplot?There are several options, depending on the type of watermark and the required level of control over the output,add a text label using annotate (th...

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