Monthly Archives: January 2013

Waiting for an API request to complete

January 26, 2013
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Dealing with API tokens in R In my previous post I showed an example of calling the Phylotastic taxonomic name resolution API Taxosaurus here. When you query their API they give you a token which you use later to retrieve the result (see examples on their page above). However, you don't know when the query will be...

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Learning R using a Chemical Reaction Engineering Book: Part 1

January 25, 2013
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Learning R using a Chemical Reaction Engineering Book: Part 1

Chemical Reactor Analysis and Design Fundamentals by J.B. Rawlings and J. G. Ekerdt is a textbook for studying Chemical Reaction Engineering. The popular open source package Octave has its origins to the reaction engineering course offered by Prof. Rawlings. This book … Continue reading →

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Lambda.r 1.1.0 released

January 25, 2013
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Lambda.r 1.1.0 released

This is a quick post to announce lambda.r version 1.1.0 is released and available on CRAN.1 This release has a …Continue reading »

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Slides and replay of my “Using R with Hadoop” webinar now available #rstats #hadoop

January 25, 2013
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Slides and replay of my “Using R with Hadoop” webinar now available #rstats #hadoop

I owe a big “thank you” to all of you who attended my webinar yesterday “Using R with Hadoop”. Revolution Analytics partnered with us at Think Big Analytics to produce the webinar, and I owe them thanks as well. For those of you who missed it, the slides and replay are now available from Revolution

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R and foreign characters

January 25, 2013
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R and foreign characters

Working with Russian characters can be mind-numbingly frustrating. This is true for R, as for other applications, so below I've written out the my top five tricks for making Russian inputs work in R; i believe they should be transferable to most other languages....

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Shiny 0.3.0 released

January 25, 2013
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Shiny 0.3.0 released

Version 0.3.0 of Shiny is now available on CRAN. This version of Shiny has several new features and bug fixes. Some of the changes are under the hood: for example, Shiny now uses a more efficient algorithm for scheduling the execution of reactive functions. There are also some user-facing changes: for example, the new runGitHub()

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Video: Using R with Hadoop

January 25, 2013
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If you weren't one of the almost 2000 people who signed up for yesterday's webinar "Using R with Hadoop", the replay and slides are now available. During the webinar, Jeffrey Breen (Principal at Think Big Academy) talked about extracting analytics from data in Hadoop and covered: How to use R and Hadoop Hadoop streaming Various R packages and RHadoop...

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Regressions 101: “Significance”

January 25, 2013
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Regressions 101: “Significance”

SETUP (CAN BE SKIPPED) We start with data (how was it collected?) and the hope that Read more »

Effects of forest management on a woodland salamander in Missouri

January 25, 2013
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Effects of forest management on a woodland salamander in Missouri

Effects of experimental forest management on a terrestrial, woodland salamander in Missouri by Daniel J. Hocking, Grant M. Connette, Christopher A. Conner, Brett R. Scheffers, Shannon E. Pittman, William E. Peterman, and Raymond D. Semlitsch. This is the first post … Continue reading →

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Object Orientation in R – Notes from a novice

January 25, 2013
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Object Orientation in R – Notes from a novice

Having posted some code to Git a few days ago and having been wholly dissatisfied with it, I began to do what I often do with code I don’t like. I started re-writing it bigger and weirder and more philosophically pure. Part of this search for Platonic code lead me to explore object oriented programming

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