595 search results for "register"

Ensemble Learning with Cubist Model

March 20, 2015
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Ensemble Learning with Cubist Model

The tree-based Cubist model can be easily used to develop an ensemble classifier with a scheme called “committees”. The concept of “committees” is similar to the one of “boosting” by developing a series of trees sequentially with adjusted weights. However, the final prediction is the simple average of predictions from all “committee” members, an idea

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Some thoughts on Vim

March 17, 2015
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Some thoughts on Vim

by Gary R. Moser Director of Institutional Research and Planning The California Maritime Academy I recently contacted Joseph Rickert about inviting Vim guru Drew Niel (web: vimcasts.org, book: "Practical Vim: Edit Text at the Speed of Thought") to speak at the Bay Area R User Group group. Due to Drew's living in Great Britain that might not be easily...

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Monitoring progress of a foreach parallel job

February 24, 2015
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Monitoring progress of a foreach parallel job

by Andrie de Vries R has strong support for parallel programming, both in base R and additional CRAN packages. For example, we have previously written about foreach and parallel programming in the articles Tutorial: Parallel programming with foreach and Intro to Parallel Random Number Generation with RevoScaleR. The foreach package provides simple looping constructs in R, similar to lapply()...

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RStudio v0.99 Preview: Vim Mode Improvements

February 23, 2015
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RStudio v0.99 Preview: Vim Mode Improvements

RStudio’s code editor includes a set of lightweight Vim key bindings. You can turn these on in Tools | Global Options | Code | Editing: For those not familiar, Vim is a popular text editor built to enable efficient text editing. It can take some practice and dedication to master Vim style editing but those who have

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Visualizing Hubway Trips in Boston

February 21, 2015
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Visualizing Hubway Trips in Boston

Most Popular Hubway Stations (in order): Post Office Sq. – located in the heart of the financial district. Charles St. & Cambridge – the first Hubway stop after crossing from Cambridge over Longfellow Bridge. Tremont St & West – East side of the Boston Common South Station Cross St. & Hannover – entrance to North End combing from financial … Continue reading...

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The United States In Two Words

February 20, 2015
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The United States In Two Words

Sweet home Alabama, Where the skies are so blue; Sweet home Alabama, Lord, I’m coming home to you (Sweet home Alabama, Lynyrd Skynyrd) This is the second post I write to show the abilities of twitteR package and also the second post I write for KDnuggets. In this case my goal is to have an insight of … Continue reading...

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Making R Files Executable (under Windows)

February 18, 2015
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Although it is reasonable that R scripts get opened in edit mode by default, it would be even nicer (once in a while) to run them with a simple double-click. Well, here we go ... Choosing a new file extension name (.Rexec) First, we have to think about a new file extension name. While double-click to run is a nice-to-have, the...

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Online course: Survey Analysis in R with Thomas Lumley

February 17, 2015
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On March 20, Thomas Lumley, the creator of the R Package “Survey”, will give an online course (in statistics.com) titled “Survey Analysis in R” The purpose of this 4-week online course, is to teach survey researchers who are familiar with R how to use it in survey research. The course uses Lumley’s Survey package. You will learn how to...

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How-to go parallel in R – basics + tips

February 16, 2015
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How-to go parallel in R – basics + tips

Today is a good day to start parallelizing your code. I've been using the parallel package since its integration with R (v. 2.14.0) and its much easier than it at first seems. In this post I'll go through the basics for implementing parallel computations in R, cover a few common pitfalls, and give tips on how to avoid them....

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CFP: 13th Australasian Data Mining Conference (AusDM 2015)

February 9, 2015
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CFP: 13th Australasian Data Mining Conference (AusDM 2015)

The 13th Australasian Data Mining Conference (AusDM 2015) Sydney, Australia, 8-9 August 2015 co-located with SIGKDD’15 URL: http://ausdm15.ausdm.org/ Join us on LinkedIn: http://www.linkedin.com/groups/AusDM-4907891 The Australasian Data Mining Conference has established itself as the premier Australasian meeting for both practitioners and … Continue reading →

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