Monthly Archives: February 2014

Toronto Data Science Group – A Survey of Data Visualization Techniques and Practice

February 23, 2014
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Recently I spoke at the Toronto Data Science group. The folks at Mozilla were kind enough to record it and put it on Air, so here it is for your viewing pleasure (and critique):Overall it was quite well received. Aside from the usual omg does my voice ...

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Programmatically download political science data with the psData package

February 23, 2014
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A lot of progress has been made on improving political scientists’ ability to access data ‘programmatically’, e.g. data can be downloaded with source code R. Packages such as WDI for World Bank Development Indicator and dvn for many data sets stored on the Dataverse Network make it much easier for political scientists to use this data as part of...

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Pimping your forest plot

February 23, 2014
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Pimping your forest plot

In order to celebrate my Gmisc-package being on CRAN I decided to pimp up the forestplot2 function. I had a post on this subject and one of the suggestions I got from the comments was the ability to change the default box marker to something else. This idea had been in my mind for a while and I therefore...

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qdap 1.1.0 Released on CRAN

February 23, 2014
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qdap 1.1.0 Released on CRAN

We’re very pleased to announce the release of qdap 1.1.0 This is the fourth installment of the qdap package available at CRAN. Major development has taken place since the last CRAN update. The qdap package automates many of the tasks … Continue reading →

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Unemployment revisited

February 23, 2014
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Unemployment revisited

Approximately a year ago I made a post graphing unemployment in Europe and other locations. I have always wanted to do this again, not because the R-code would be so interesting, but just because I wanted to see the plots. As time progressed I attempte...

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Convex Hull of Polygon using Boost.Geometry

February 23, 2014
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Convex Hull of Polygon using Boost.Geometry

Rcpp can be used to convert basic R data types to and from Boost.Geometry models. In this example we take a matrix of 2d-points and convert it into a Boost.Geometry polygon. We then compute the convex hull of this polygon using a Boost.Geometry function boost::geometry::convex_hull. The convex hull is then converted back to an R matrix. The conversions to and from...

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High Dimensional Biological Data Analysis and Visualization

February 22, 2014
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High Dimensional Biological Data Analysis and Visualization

High dimensional biological data shares many qualities with other forms of data. Typically it is wide (samples

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RcppBDT 0.2.2

February 22, 2014
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A new maintenance release of the RcppBDT package is now on CRAN. There is no new code in this; it mainly accomodates a request by CRAN to standardize the \code{Imports:} and \code{Depends:} relationships in the \code{DESCRIPTION} file. We also updated...

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RDieHarder 0.1.3

February 22, 2014
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A pure maintenance release of RDieHarder is now on CRAN. RDieHarder provides R bindings for the DieHarder battery of tests for random number generators by Brown et al. This release contains no new code, but the vignette needed to be moved from inst...

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Because it’s Friday: US Dialects

February 21, 2014
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Because it’s Friday: US Dialects

In the video below from The Atlantic, the differences in the way US citizens describe or pronounce various things is illustrated in a series of phone calls (via Sullivan): If you're wondering how your dialect fits in, you can try the New York Times Dialect Quiz. Answer 25 questions, and it will identify the 3 US cities that most...

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