2081 search results for "ggplot"

My Favorite Graphs

December 5, 2011
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My Favorite Graphs

The important criterion for a graph is not simply how fast we can see a result; rather it is whether through the use of the graph we can see something that would have been harder to see otherwise or that could not have been seen at all. – William Cleveland, The Elements of Graphing Data, Related posts:

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Vote Compass: visualizing Canadian poll results with R

December 5, 2011
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Vote Compass: visualizing Canadian poll results with R

Vote Compass is an online "electoral literacy application, whose goal is to encourage engagement with and stimulate discussion around the policy platforms of Canada's political parties. In the lead-up to the 2011 Canadian election, Vote Compass collected the results of an on-line 10-minute survey from more than 2 million participants, and used the results to align voters with the...

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The Art of R Programming – my two cents

December 5, 2011
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The Art of R Programming – my two cents

What makes this book different from other books about R is stated clearly by the author Norman Matloff in the introduction: "This book is not a compendium of the myriad types of statistical methods that are available in the wonderful R package. It r...

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Improved Moving Average?

December 4, 2011
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Improved Moving Average?

When @quantfblog started following me on Twitter, I was delighted to discover their papers Papailias, Fotis and Thomakos, Dimitrios D., An Improved Moving Average Technical Trading Rule (September 11, 2011). Available at SSRN: http://ssrn.com/abstract...

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Visualizing Unemployment Data

December 3, 2011
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Visualizing Unemployment Data

So recently Bureau of Labor Statistics released the Oct. 2011 unemployment data. This is not a discussion of it’s validity nor it’s impact, but it is a post on how to visualize it. This post is also for my posterity, I’ve wanted to be able to do this for a while, and it’ll serve as

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A Friday round-up

December 1, 2011
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A Friday round-up

Just a brief selection of items that caught my eye this week. Note that this is a Friday as opposed to Friday, lest you mistake this for a new, regular feature. 1. R/statistics ggbio A new Bioconductor package which builds on the excellent ggplot graphics library, for the visualization of biological data. R development master

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More Dabblings With Local Sentencing Data

December 1, 2011
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More Dabblings With Local Sentencing Data

In Accessing and Visualising Sentencing Data for Local Courts I posted a couple of quick ways in to playing with Ministry of Justice sentencing data for the period July 2010-June 2011 at the local court level. At the end of the post, I wondered about how to wrangle the data in R so that I

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Earthquakes

November 30, 2011
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Earthquakes

> data(quakes)> head(quakes) lat long depth mag stations 1 -20.42 181.62 562 4.8 41 2 -20.62 181.03 650 4.2 15 3 -26.00 184.10 42 5.4 43 4 -17.97 181.66 626...

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Earthquakes

November 30, 2011
By
Earthquakes

> data(quakes)> head(quakes) lat long depth mag stations 1 -20.42 181.62 562 4.8 41 2 -20.62 181.03 650 4.2 15 3 -26.00 184.10 42 5.4 43 4 -17.97 181.66 626...

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Accessing and Visualising Sentencing Data for Local Courts

November 29, 2011
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Accessing and Visualising Sentencing Data for Local Courts

A recent provisional data release from the Ministry of Justice contains sentencing data from English(?) courts, at the offence level, for the period July 2010-June 2011: “Published for the first time every sentence handed down at each court in the country between July 2010 and June 2011, along with the age and ethnicity of each

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