2791 search results for "ggplot2"

Analysing Dracula

April 14, 2015
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Analysing Dracula

I recently read Bram Stoker’s Dracula, mostly because I wanted to rewatch the 1990s movie of the same name and see how badly they’d mutilated the story.  [Update 26/04/2015: I rewatched the 1992 movie and while it’s the most faithful version to the book, it has some weird additions and is utterly appalling.  People have been … Continue reading...

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Plotting tables alsongside charts in R

April 14, 2015
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Plotting tables alsongside charts in R

Occasionally I'd like to plot a table alongside a chart in R, e.g. to present summary statistics of the graph itself. Thanks to the gridExtra package this is quite straightforward. The function tableGrob creates a table like plot of a data frame, while...

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Slides from my talk on the broom package

April 13, 2015
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Slides from my talk on the broom package

This weekend I gave a presentation on my broom package for tidying model objects (see my introduction here) at the UP-STAT 2015 conference at SUNY Geneseo. I’m sharing the slides here, along with some highlights below. I first explained how broom fits with other tidy tools such as dplyr, tidyr and ggplot2 as...

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JSON serialization now even faster and prettier

April 12, 2015
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JSON serialization now even faster and prettier

The jsonlite package implements a robust, high performance JSON parser and generator for R, optimized for statistical data and the web. This week version 0.9.16 appeared on CRAN which has a new prettifying system, improved performance and some additional tweaks for the new mongolite package. Improved Performance Everyones favorite feature of jsonlite: performance....

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A Couple of Handy ggplot Tricks – Using Environmental Variables and Saving Charts

April 12, 2015
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A Couple of Handy ggplot Tricks – Using Environmental Variables and Saving Charts

A couple of handy tricks when working with ggplot that had escaped my radar until today. First up, I had a problem in a function I was using to generate a ggplot2 in which I wanted to accept a couple of optional arguments in to the function and then make use of them in a

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Cefamandole: PK after IV with six subjects in JAGS

April 12, 2015
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Cefamandole: PK after IV with six subjects in JAGS

After last week's post on Theoph I noticed the MEMSS library contained more PK data sets. The Cefamandole data is an IV data set with six subjects. It is somewhat challenging, since there seem to be several elimination rates.DataData are displayed...

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R User Group Recap: Heatmaps and Using the caret Package

April 10, 2015
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R User Group Recap: Heatmaps and Using the caret Package

At our most recent R user group meeting we were delighted to have presentations from Mark Lawson and Steve Hoang, both bioinformaticians at Hemoshear. All of the code used in both demos is in our Meetup’s GitHub repo.Making heatmaps in RSteve started with an overview of making heatmaps in R. Using the iris dataset, Steve demonstrated...

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Recreating the vaccination heatmaps in R

April 9, 2015
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Recreating the vaccination heatmaps in R

In February the WSJ graphics team put together a series of interactive visualisations on the impact of vaccination that blew up on twitter and facebook, and were roundly lauded as great-looking and effective dataviz. Some of these had enough data available to look … Continue reading →

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Recreating the vaccination heatmaps in R

April 9, 2015
By
Recreating the vaccination heatmaps in R

In February the WSJ graphics team put together a series of interactive visualisations on the impact of vaccination that blew up on twitter and facebook, and were roundly lauded as great-looking and effective dataviz. Some of these had enough data available to look … Continue reading →

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Monitoring Price Fluctuations of Book Trade-In Values on Amazon

April 8, 2015
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Monitoring Price Fluctuations of Book Trade-In Values on Amazon

I am planning to finish school soon and I would like to shed some weight before moving on. I have collected a fair number of books that I will likely never use again and it would be nice to get some money for them. Sites like Amazon and eBay let you se...

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