Monthly Archives: September 2012

Imputation by mean?

September 13, 2012
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Today, I was briefed that when computing the regional aggregates such as those defined by the M49 country standard of the United Nation (http://unstats.un.org/unsd/methods/m49/m49regin.htm) I should use the regional mean to replace missing values....

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Effective Graphs with R

September 13, 2012
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Effective Graphs with R

Today's guest post is by Naomi Robbins, author of the Effective Graphs blog — ed. I write a blog on effective graphs for Forbes. David Smith invited me to write a guest post here that was a roundup of some of my Forbes posts where R was used. My use of R graphics has ranged from simple box plots...

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R2MLwiN package

September 13, 2012
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The new package R2MLwiN package bridges R and MLwinN software for multilevel analysis. From the examples provided, it looks very promising. It will be great if a command line version of MLwiN can be made available under Linux so the package can be usef...

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Automatic cleaning of messy text data

September 13, 2012
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BCEA examples

September 13, 2012
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I've prepared a document (which I've put on the website here, together with some scripts at this page) which I think is helpful, if you're trying to work out BCEA. I have never really thought of this, but I believe that when you write an acad...

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Kendall’s function for copulas

September 12, 2012
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Kendall’s function for copulas

As mentioned in the course on copulas, a nice tool to describe dependence it Kendall's cumulative function. Given a random pair with distribution  , define random variable . Then Kendall's cumulative function is Genest and Rivest (1993) intr...

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Estimating Pi with R via MCS-Dart: A very simple example of numerical integration, illustrated and computed in R.

September 12, 2012
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Estimating Pi with R via MCS-Dart: A very simple example of numerical integration, illustrated and computed in R.

Have you ever played Monte Carlo Dart? If not, read this post and learn how to do it with R and what it can be used for. In fact it is a very easy and prevalent example (which I have come across in a  computational economics course last spring semester) that demonstrates the idea behind numerical integration....

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R: Isarithmic Maps of Election Data (1/2)

September 12, 2012
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R: Isarithmic Maps of Election Data (1/2)

In this tutorial I will show

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Testing highlight.js with R code

I searched for a javascript plugin to highlighter code, but obviously not any code. I needed to higlight R. Finally I founded highlight.js. Highlights.js is pretty cool for many reasons. I like Highlights.js because: Support R lenguage. It's easy to use. Works automatically. That's mean you don't have to put the code what are you writing. Highloght it does alone. A lot of...

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Testing highlight.js with R code

I searched for a javascript plugin to highlighter code, but obviously not any code. I needed to higlight R. Finally I founded highlight.js. Highlights.js is pretty cool for many reasons. I like Highlights.js because: Support R lenguage. It's easy to use. Works automatically. That's mean you don't have to put the code what are you writing. Highloght it does alone. A lot of...

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