Monthly Archives: July 2013

R talks to Weka about Data Mining

July 14, 2013
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R talks to Weka about Data Mining

R provides us with excellent resources to mine data, and there are some good overviews out there: Yanchang’s website with Examples and a nice reference card The rattle-package that introduces a nice GUI for R, and Graham William’s compendium of tools The caret-package that offers a unified interface to running a multitude of model builders.

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useR 2013 was a blast!

July 14, 2013
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useR 2013 was a blast!

I had a great time at useR 2013 in Albacete, Spain. The food was great, the people were fun and the weather was hot. A pleasant surprise was that I won the useR data analysis contest with my submission “Modeling Match Results in La Liga Using a Hierarchical Bayesian Poisson Model.” It was a fun exercise modeling football...

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Rain in Netherlands during the past 100 years

July 14, 2013
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Rain in Netherlands during the past 100 years

Climate has my interest. But discussions on climate change seem to be focused on temperature. In real life, we look at temperature, rain, sunshine and wind. I was therefor happy to find a load of rain data on Royal Netherlands Meteorological Institute....

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Slides from Rcpp talk in Sydney

July 13, 2013
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The Sydney Users of R Forum (SURF) were kind enough to host me two days (well, three with the traveling ...) ago for an hour-long talk on Rcpp. Apparently, it set a new attendance record for this R user group. My thanks to Louise and Eugene for hosti...

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List Comprehensions in R

July 13, 2013
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List comprehensions in Python or Haskell are popular and useful tools to filter a list given some predicates. The foreach package by Revolution Analytics gives us a handy interface to list comprehensions in R. Quicksort is a recursive algorithm to ...

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Zero to hero

July 13, 2013
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Zero to hero

Recently, I've been working on a paper, which I think is coming along nicely. The basic problem is like this: in a health economic evaluation, sometimes data are collected on a sample of individuals. Say, for example, that $n_0$ subjects are given a st...

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UseR! 2013 Highlights

July 13, 2013
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The conference was excellent this year. My highlights: Bojan Mihaljevic gave a great presentation on machine learning models built from network models. Their package isn't on CRAN yet, but I'm really looking forward to it. Jim Harner's presentation ...

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Science link goodness for the week of July 12th

July 13, 2013
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Science link goodness for the week of July 12th

Hello paleoposse! This week I bring you some of my favorite science articles from around the internet. In keeping with the podcast theme, I’ve divided it up into things that are science, things that are sort of science, and things that wish they were science. This week we cover everything from chondrules to volcanoes to

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Creating a Business Intelligence Dashboard with R and ASP.NET MVC: Part 1

July 13, 2013
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Creating a Business Intelligence Dashboard with R and ASP.NET MVC: Part 1

This is an extended version of the previous post and it can be found at  https://www.simple-talk.com/dotnet/asp.net/creating-a-business-intelligence-dashboard-with-r-and-asp.net-mvc-part-1/.

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GGPlot2 #1: Employee Job Satisfaction at Top Tech Companies

July 13, 2013
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GGPlot2 #1: Employee Job Satisfaction at Top Tech Companies

This is the first in a series of ongoing posts where I’ll take data on various topics and create simple visualizations of that data using the ggplot2 package in R. While my day job involves analyzing data, I rarely work on projects where I’m expected to produce “publication-worthy” graphics. Therefore, these posts are a way for

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