1853 search results for "ggplot2"

Simple visually-weighted regression plots

September 24, 2012
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Simple visually-weighted regression plots

There has recently been a lot of discussion of so-called “visually-weighted regression” plots. Folk hero Hadley Wickham suggests that such plots would be easy to implement with ggplot2, and so I have attempted to prove him right. The approa...

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New Zealand school performance: beyond the headlines

September 24, 2012
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New Zealand school performance: beyond the headlines

I like the idea of having data on school performance, not to directly rank schools—hard, to say the least, at this stage—but because we can start having a look at the factors influencing test results. I imagine the opportunity in … Continue reading →

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Popularity indicator, with images (NFL)

September 23, 2012
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Popularity indicator, with images (NFL)

It’s Friday night, there’s nothing good on TV, mmm conditions are perfect for shaggin about in R. So I’m an NFL fan, and (shameless plug) avid fan of this NFL podcast. They run their own pickem league which unless users … Continue reading →

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KLEMS (1)

September 22, 2012
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This post is actually a homework I did. The data file contains input use, output, quantities, costs, and prices for total U.S. nondurable manufacturing for 1949-2001. The data are defined as follows: , , , , = Inputs corresponding to capital, labor, energy, materials, and purchased services, = represents total output, = respective quantity indexes, ...

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Simple plot with text boxes

September 21, 2012
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Simple plot with text boxes

Was doing a little presentation to our research group and had to explain the difficulties of ‘collapsing’ longitudinal data into a single measure when the Y var is quite variable. For the particular Y var of interest, it represents burden … Continue reading →

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How to use your favorite fonts in R charts

September 20, 2012
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How to use your favorite fonts in R charts

Today's guest post comes from Winston Chang, a software developer at RStudio — ed. When it comes to making figures in R, you can use any font you like, as long as it's Helvetica, Times, or Courier. Using other fonts that are installed on your computer can seem an impossible task, especially if you want to save the output...

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Why are pirates called pirates?

September 19, 2012
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Why are pirates called pirates?

In homage to International Talk Like a Pirate Day… I recently stumbled across a series of blog posts from the folks at IDV that visualised the archive of recorded pirate attacks which has been collected by the US National Geospatial-Intelligence Agency. It’s a dataset of 6000+ pirate attacks which have been recorded over the last 30 … Continue reading...

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(Unsurprisingly) users default to the defaults

September 19, 2012
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(Unsurprisingly) users default to the defaults

Oddities tend to jump out when one uses software in a daily basis. The situation is even clearer when using software for teaching: many more people looking at it with fresh eyes. Let’s say that we are fitting a simple … Continue reading →

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Vertnet – getting vertebrate museum record data and a quick map

September 19, 2012
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Vertnet – getting vertebrate museum record data and a quick map

We (rOpenSci) started a repo to wrap the API for VertNet, an open access online database of vertebrate specimen records across many collection holders. Find the open source code here - please contribute if you are so inclined. We had a great Google Su...

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Designing Data Apps with R at Periscopic

September 18, 2012
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Designing Data Apps with R at Periscopic

Today's guest post comes to us from Andrew Winterman, Data Designer at data visualization company Persiscopic. He shares with us the process of using the R language and other tools to create an interactive data application for a client — ed. The Hewlett Foundation contacted us a few months ago because they were interested in exploring ways to visualize...

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