3959 search results for "git"

Link to Item Response Theory Presentations Using R

December 6, 2012
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After my post on item response theory,  a number of you have asked for links to applications that provide R code.  As I noted in that post, a good deal of work is being done in an area of research called patient-related outcome measurement (P...

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Flexibly outlining a set of points with alphahull

December 6, 2012
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Flexibly outlining a set of points with alphahull

We’ve previously covered the convex hull here at is.R(), and in that post I admitted that I was somewhat hard-pressed to come up with a common use-case — at least for Political Science applications. Well, today’s Gist illustrates the...

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Reconstruct Gene Networks Using Shiny

December 6, 2012
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Reconstruct Gene Networks Using Shiny

Check out the application on Glimmer!  http://glimmer.rstudio.com/qbrc/grn/   We’ve been experimenting with RStudio’s new Shiny software as a way to quickly and easily create interactive, responsive web applications which are able to leverage complicated analytics back-ends built in the R programming language. We created a simple interface which can infer the structure of an underlying

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One R package for all your taxonomic needs

December 6, 2012
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UPDATE: there were some errors in the tests for taxize, so the binaries aren't avaiable yet. You can install from source though, see below. Getting taxonomic information for the set of species you are studying can be a pain in the ass. You have to manually type, or paste in, your species one-by-one. Or, if you are lucky, there is...

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One R package for all your taxonomic needs

December 6, 2012
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UPDATE: there were some errors in the tests for taxize, so the binaries aren't avaiable yet. You can install from source though, see below. Getting taxonomic information for the set of species you are studying can be a pain in the ass. You have to manually type, or paste in, your species one-by-one. Or, if you are lucky, there is...

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modified wp-codebox to highlight R code as in Pretty-R

December 5, 2012
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I found wp-codebox could highlight R code two years ago. This plugin is based on GeSHi to highlight source code internally. Now there are many ways to highlight R syntax in the website. Pretty-R provided by Inside-R is a popular tool in the community. Read more »

How a Mexican state ended up with more drug war homicides than total homicides

December 5, 2012
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How a Mexican state ended up with more drug war homicides than total homicides

During 2007 and 2008 the Mexican state of Sinaloa had more drug war-related homicides than total homicides. This should in theory be impossible since drug war homicides are a subset of total homicides. How did this happen? Here is a chart from my old post highlighting the monthly difference between the...

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TFX Package

December 5, 2012
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TFX Package

Today I want to highlight the TFX Package created by Garrett See. TFX is an R Interface to the TrueFX(tm) Web API for free streaming real-time and historical tick-by-tick market data for dealable interbank foreign exchange rates with millisecond detail. Garrett provided a great tutorial, examples, and shiny application of TFX at http://rpubs.com/gsee/TFX Please note

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Shiny released to CRAN; Shiny Server coming soon

December 5, 2012
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The shiny package, the R package from RStudio that makes it easy to build simple interactive interfaces for R scripts, is now available on CRAN. This will make it easier for R programmers to install and use shiny, and to run the interfaces they create from a local web browser. The next step is to be able to publish...

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Loading Big files in R

December 5, 2012
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Loading Big files in R

Far as I remember, today was the first day in my life I succeed to load a text file bigger than 1.5 Gb into R (~ 5 million lines and 18 columns). My computer is not a small stuff, I’m using a Macbook Pro with rough 8GB of RAM, but the issue why I couldn’t

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