1265 search results for "excel"

Solving Big Problems with Oracle R Enterprise, Part I

June 21, 2012
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Solving Big Problems with Oracle R Enterprise, Part I

Abstract: This blog post will show how we used Oracle R Enterprise to tackle a customer’s big calculation problem across a big data set. Overview: Databases are great for managing large amounts of data in a central place with rigorous enterprise-level controls.  R is great for doing advanced computations.  Sometimes you need to...

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Body Weight in the United States – Part 3, "Contributing Factors"

June 20, 2012
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Body Weight in the United States – Part 3, "Contributing Factors"

Carbs In Part 2 of this series, micro-nutrients were cited as a non-factor for weight gain. This is not the case with macro-nutrients (carbohydrates, fats, proteins, water). While fats, proteins and water are essential (without them you could no...

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UseR 2012 highlights

June 20, 2012
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UseR 2012 highlights

The eighth annual R user conference, UseR! 2012, has come and gone — and what an event it was! I've been to five useR! conferences so far, and each one improves upon the last. This year's conference at Vanderbilt was the best so far: an outstanding location (my first visit to Nashville, a great city), excellent facilities (the lecture...

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useR 2012: impressions, tutorials

June 19, 2012
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useR 2012: impressions, tutorials

First of all, useR 2012 (the 8th International R User Conference) was, hands down, the best-organized conference I’ve had the luck to attend. The session chairs kept everything moving on time, tactfully but sternly; the catering was delicious and varied; … Continue reading →

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Generate simple HTML slides using deck.js and markdown

June 19, 2012
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RStudio and knitr are an excellent conbination for generating dynamic reports. But in this blog, I will show you how to generate HTML-style presentaion using R only. OK, I confess that we still need something else: deck.js and markdown and R.utils. ...

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An exercise in R using local open data

June 17, 2012
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An exercise in R using local open data

Last week I went to the “Government Open Data Hack Day” (godhd on twitter) in Birmingham (UK), organised by Gavin Broughton and James Catell. The idea was to get hold of local open data and try and make use of … Continue reading →

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useR 2012: my materials

June 14, 2012
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Just a quick note that I’ve posted the slides, code, and dataset from my useR 2012 talk. I’m having a great time here in Nashville and will write up a conference review soon, with links to the many excellent packages … Continue reading →

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#4 R: A powerful tool for the geochemist

June 14, 2012
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#4 R: A powerful tool for the geochemist

  R is an incredibly powerful programming tool used by a large community of people who require an easy to use, light weight, FREE, and fundamentally awesome statistics package! I have recently discovered that R can be used by geologists whose IT skills are often pitied by their more computer literate geophysicist colleagues. Long story short

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In case you missed it: May 2012 Roundup

June 13, 2012
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In case you missed them, here are some articles from May of particular interest to R users. R tops the annual KDNuggets Data Mining Software poll for the first time. R 2.15.1 is scheduled for June 22. (Revolution R Enterprise 6, released on June 5, is based on 2.14.2.) A tutorial uses R, Hadoop, and the RHadoop project to...

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Simple network diagrams in R

June 12, 2012
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Simple network diagrams in R

Why study networks? Development and aid projects these days are more and more often focussing on supporting networks, so tools to analyse networks are always welcome. In this post I am going to present a very easy-to-use package for the stat...

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