Stepping Outside My Open-Source Comfort Zone: A First Look at Golden Helix SVS

May 16, 2012
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Stepping Outside My Open-Source Comfort Zone: A First Look at Golden Helix SVS

I'm a huge supporter of the Free and Open Source Software movement. I've written more about R than anything else on this blog, all the code I post here is free and open-source, and a while back I invited you to steal this blog under a cc-by-sa license....

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Population of Tawi-Tawi from 1903 to 2010

May 16, 2012
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Population of Tawi-Tawi from 1903 to 2010

Table 1: Population of Tawi-Tawi from 1903 to 2010 1903 1918...

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Dynamic Content with RStudio, Markdown, and Marked.

May 15, 2012
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Dynamic Content with RStudio, Markdown, and Marked.

As Markus Gesmann recently pointed out, the new version of RStudio (0.96) has some really nice features for creating...

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Using R to graph a subject trend in PubMed

May 15, 2012
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Using R to graph a subject trend in PubMed

The traditional way to show that your topic is worth studying in front of an audience is to show...

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How long before R overtakes SAS and SPSS?

May 15, 2012
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Based on an analysis of Google Scholar data on usage of statistical software, Bob Muenchen makes a forecast: R...

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Interactive reports in R with knitr and RStudio

May 15, 2012
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Interactive reports in R with knitr and RStudio

Last Saturday I met the guys from RStudio at the R in Finance conference in Chicago. I was curious...

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Will 2015 be the Beginning of the End for SAS and SPSS?

May 15, 2012
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Will 2015 be the Beginning of the End for SAS and SPSS?

Learning to use a data analysis tool well takes significant effort, so people tend to continue using the tool...

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Forthcoming R User Meetings

May 15, 2012
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Two R User Group meetings are happening soon thanks to the support of Mango-solutions (one of R-bloggers’ long term sponsors)....

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Skew of Bonds

May 15, 2012
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Skew of Bonds

As the researchpuzzler highlights in “a bad bet”, US bonds were a popular subject at the CFA Institute Annual...

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Improving script_002: “Monitor”

May 15, 2012
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Improving script_002: “Monitor”

I read in an article that Ian Cowe said that what normally chemometricians do is to look to the...

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RcppSMC 0.1.1

CRAN now tests packages against g++-4.7 (as this version has become the default on Debian's testing variant. This compiler switch once...

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GitHub data analysis

May 15, 2012
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GitHub data analysis

Few weeks ago GitHub announced, that its timeline data is available on bigquery for analysis. Moreover, it offers prizes...

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Blog aggregators

May 15, 2012
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A very useful way of keeping up with blogs in a particular area is to subscribe to a blog...

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gRaphics! 2012-05-14 22:04:00

May 14, 2012
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gRaphics! 2012-05-14 22:04:00

Plotting data and distribution simultaneously (with ggplot2)Ever wanted to see at a glance the distribution of your data across...

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Multiple Sclerosis Tweet-Chat: Review

May 14, 2012
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Multiple Sclerosis Tweet-Chat: Review

We had a great Twitter conversation last Thursday on the use of big-data analytics, Revolution R Enterprise, and IBM...

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New courses from R gurus

May 14, 2012
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Looking to learn R, or to expand your R skills for data visualization or package development? Here are some...

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generalised ratio of uniforms

May 14, 2012
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generalised ratio of uniforms

A recent arXiv posting of the paper “On the Generalized Ratio of Uniforms as a Combination of Transformed Rejection...

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New Version of RStudio (v0.96)

May 14, 2012
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New Version of RStudio (v0.96)

Today a new version of RStudio (v0.96) is available for download from our website. The main focus of this...

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Criticism 3 of NHST: Essential Information is Lost When Transforming 2D Data into a 1D Measure

May 14, 2012
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Criticism 3 of NHST: Essential Information is Lost When Transforming 2D Data into a 1D Measure

Introduction Continuing on with my series on the weaknesses of NHST, I’d like to focus on an issue that’s...

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Example 9.31: Exploring multiple testing procedures

May 14, 2012
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Example 9.31: Exploring multiple testing procedures

In example 9.30 we explored the effects of adjusting for multiple testing using the Bonferroni and Benjamini-Hochberg (or false...

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Source R-Script from Dropbox

May 14, 2012
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Source R-Script from Dropbox

A quick tip on how to source R-scripts from a Dropbox-account:(1) Upload the script.. (2) Get link with the...

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Text Mining to Word Cloud App with R

May 13, 2012
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Text Mining to Word Cloud App with R

Here is a simple application to transform text into a beautiful word cloud, Text Mining to WordCloud. The purpose...

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The whinny of the exponential horse

May 13, 2012
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The whinny of the exponential horse

A Poisson process provides a good model for events that happen rarely. That's what von Bortkiewicz realized in...

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