Monthly Archives: October 2011

Online

October 12, 2011
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Online

Hello world, I decided to start blogging a bit to throw my weird R code examples at you ;-) Hope you’ll like it! Greetz, Janko

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R – Turorial II

October 12, 2011
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  NOTE : This tutorial has been superseded by the exhaustive tutorials Here Lists Collection of Objects of same or mixed type.List may also contain vector or other lists. Create a list using the funtion list(). The following example shows operations that can be performed on a list. > alphabets=list(a=”apple”,b=”ball”,c=”cat”) > alphabets $a “apple” $b… Read More »

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R related books: Traditional vs online publishing

October 12, 2011
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R related books: Traditional vs online publishing

How many R related books have been published so far? Who is the most popular publisher? How many other manuals, tutorials and books have been published online? Let's find out. A few years ago I used the publication list on r-project.org as an argument ...

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Model decision tree in R, score in Base SAS

October 11, 2011
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Model decision tree in R, score in Base SAS

This code creates a decision tree model in R using party::ctree() and prepares the model for export it from R to Base SAS, so SAS can score new records. SAS Enterprise Miner and PMML are not required, and Base SAS … Continue reading →

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Le Monde puzzle [#743]

October 11, 2011
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Le Monde puzzle [#743]

As Le Monde weekend has yet again changed its format (with so much more advertisements for luxurious items that I sometimes wonder whether or not this is the weekend edition of Le Monde!], it took me a while to locate the mathematical puzzle. The good news is there now is a science&techno leaflet with, at

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Where to find data to use with R

October 11, 2011
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(Contributing blogger Joe Rickert has put together a fantastic list of data sources suitable for use with R. If you're looking for data to use in the Applications of R Contest -- entries close October 31 -- this is a great resource for you -- Ed.) Hardly a day goes by without someone or something reminding me that we...

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Setting plots side by side

October 11, 2011
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Setting plots side by side

This is simple example code to display side-by-side lattice plots or ggplot2 plots, using the mtcars dataset that comes with any R installation. We will display a scatterplot of miles per US gallon (mpg) on car weight (wt) next to … Continue reading →

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R Bloggers widget in R Graph Gallery

October 11, 2011
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R Bloggers widget in R Graph Gallery

Following last post about partnership with R Bloggers, Tal and I have added a small widget to the gallery main page to present links to recent posts on R Bloggers It uses the wordpress api to grab information about the rss feed generated by R Bl...

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The Work of the 1 Percent and the 0.1 Percent

October 10, 2011
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The Work of the 1 Percent and the 0.1 Percent

The Occupy Wall Street movement chants "We are the 99 percent, you are the 1 percent." It's a catchy refrain, and there are many excellent reasons to put the focus on Wall Street in the struggle for economic and political justice in the US. But even singling out one percent of the US means we

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Top 50 Statistics blogs

October 10, 2011
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TheBestColleges.org has just published their list of the "Top 50 Statistics Blogs of 2011", and I'm pleased say that not only did our own Revolutions blog make the list, but it's in fine company with some truly excellent blogs. Several of my personal favourites made the list, including: Guardian columnist Ben Goldacre's Bad Science blog The Dataists, a blog...

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