Monthly Archives: October 2012

Creating SVG Plots from R

October 12, 2012
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I recently wanted to create a ggplot that I could then 'tweak' furthur. This is my solution, to create an .svg file which can be loaded into a suitable application (I prefer Inkscape) and furthur edited / tweaked. # Build an example Plotlibrary(ggplot2...

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Deploy Rook Apps: Part II

October 12, 2012
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In Part I, I described how you can deploy your Rook applications with rApache. This post describes how you can do it with R itself. But before we get into that, I’d like to explain the off-again on-again relationship Rook has had with CRAN, R&#82...

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Nine lightning talks on R

October 12, 2012
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At Tuesday's Bay Area R User Group meetup, nine speakers gave five-minute talks on various aspects of R. Revolution Analytics' Luba Gloukhov was one of the presenters, and also provides the summary of the talks below. Links to the slides are included where available for you to check out. Ariel Faigon: Chrestomathy with R Ariel walked us through his...

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Overlay of design matrices in genetic analysis

October 12, 2012
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Overlay of design matrices in genetic analysis

I’ve ignored my quantitative geneticist side of things for a while (at least in this blog) so this time I’ll cover some code I was exchanging with a couple of colleagues who work for other organizations. It is common to … Continue reading →

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Using cairographics with ggsave()

October 12, 2012
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Using cairographics with ggsave()

Whenever possible, I try to save R graphic output in a vector format, typically pdf(). I also like to use the handy ggsave() function to do so, as it streamlines the process, and makes it easy to be consistent across formats. However, at times it is n...

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Loading SPSS (.sav) into Stata

October 11, 2012
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Most statistical softwares nowadays are able to convert their files to a wide range of other packages. Perhaps it is the reason for the discontinuity of old converter bundles like SAS Transport and DBMS. Interesting, however, Stata, a quite popular statistical package, still lack built-in support for exporting and importing files among concurrent softwares like

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Download Stock Price Online with R

October 11, 2012
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Download Stock Price Online with R

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Revolution Newsletter: September/October 2012

October 11, 2012
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The most recent edition of the Revolution Newsletter is out. The news section is below, and you can read the full September/October edition (with highlights from this blog and community events) online. You can subscribe to the Revolution Newsletter to get it monthly via email. New R Courses Announced: Two new courses presented by Bob Muenchen (author of R...

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Random Name Generator in R

October 11, 2012
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Just for the heck of it, let's recreate my Reality TV Show Name Generator in R. This isn't really the sort of thing you'd normally do in R, but we can try out a bunch of different functions this way: random integers/sampling, concatenation, sorting, an...

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Pilot Study: Small Town Land Surface Temperature

October 11, 2012
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Pilot Study: Small Town Land Surface Temperature

Introduction Zhang and Imhoff (2010)  pdf here utilized NLCD impervious surface area (ISA), Olson biomes, and MODIS Land Surface temperature (LST) to estimate the magnitude of UHI in large cities across the US.  Peng  employed a   similar approach in studying 419 large cities ( population greater than 1m ) around world. Peng’s work suggests a limit

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