Monthly Archives: April 2016

Interactions between Categorical Variables in Mixed Graphical Models

April 28, 2016
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Interactions between Categorical Variables in Mixed Graphical Models

In a previous post we recovered the conditional independence structure in a dataset of mixed variables describing different aspects of the life of individuals diagnosed with Autism Spectrum Disorder, using the mgm package. While depicting the independence structure in multivariate data set gives a first overview of the relations between variables, in most applications we interested in the exact...

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gap frequencies [& e]

April 28, 2016
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gap frequencies [& e]

A riddle from The Riddler where brute-force simulation does not pay: For a given integer N, pick at random without replacement integers between 1 and N by prohibiting consecutive integers until all possible entries are exhausted. What is the frequency of selected integers as N grows to infinity? A simple implementation of the random experiment

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“R for Beginners” Course | May 3-4 Milan

April 28, 2016
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A live class for beginners: learn the basics of R, and get an overview on methods for data import, data manipulation, data visualization and data analysis. The post "R for Beginners" Course | May 3-4 Milan appeared first on MilanoR.

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R Conferences: Europe 2016

April 28, 2016
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R Conferences: Europe 2016

by Joseph Rickert Answering email queries from friends and acquaintances from around the world wanting to attend useR! 2016 has been painful. It is amazing that the conference sold out a full two months before its start, but upon reflection, not unbelievable. From its inception useR! has been an "academic" conference both in spirit and location. Including this year's...

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It’s Not Rocket Science, Just Pasta Carbonara

April 28, 2016
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It’s Not Rocket Science, Just Pasta Carbonara

Early April 2016, the release of a video recipe of pasta carbonara on Youtube triggered a tsunami of reactions. Following all the negative and sarcastic comments, the original video –sponsored by Barilla– was removed by the author (the French food blog demotivateur.fr) but is still available online. Hostile Read More ...

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yorkr ranks ODI batsmen and bowlers

April 28, 2016
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yorkr ranks ODI batsmen and bowlers

This is the last and final post in which yorkr ranks ODI batsmen and bowlers. These are based on match data from Cricsheet. The ranking is done on average runs and average strike rate for batsmen and average wickets and average economy rate for bowlers. This post has also been published in RPubs RankODIPlayers. You

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rPref 1.0 – Computing Pareto Optima and Database Preferences

April 28, 2016
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This is a re-post from the R packages mailing list Dear R users, the first 1.0 version of the rPref package is now on CRAN. rPref allows to select the Pareto-optimal tuples from a data set, also called Skylines in the database community. For example, optimal tuples from mtcars according to “high(mpg) * high(hp)” (where “*” is the Pareto operator)...

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It’s Not Rocket Science, Just Pasta Carbonara

April 28, 2016
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It’s Not Rocket Science, Just Pasta Carbonara

Salvino A. Salvaggio Early April 2016, the release of a video recipe of pasta carbonara on Youtube triggered a tsunami of reactions. Following all the negative and sarcastic comments, the original video –sponsored by Barilla– was rem...

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Call for Papers: eRum 2016 (European R users meeting)

April 28, 2016
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Call for Papers: eRum 2016 (European R users meeting)

The European R users meeting (eRum) is an international conference that aims at integrating users of the R language. eRum 2016 will be held on October 13 and 14, 2016, in Poznan, Poland at the Poznan University of Economics and Business. We already confirm the following invited speakers: Rasmus Bååth, Romain Francois, Ulrike Grömping, Matthias … Czytaj dalej Call...

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RcppRedis 0.1.7

April 27, 2016
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A new release of RcppRedis arrived on CRAN today. And just like for the previous release, Russell Pierce contributed a lot of changes via several pull requests which make for more robust operations. In addition, we have started to add support for Mes...

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