813 search results for "register"

R / Finance 2015 Open for Registration

March 31, 2015
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The annoucement below just went to the R-SIG-Finance list. More information is as usual at the R / Finance page. Registration for R/Finance 2015 is now open! The conference will take place on May 29 and 30, at UIC in Chicago. Building on the success of the previous conferences in 2009-2014, we expect more than 250 attendees from around...

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rud.is » R 2015-03-30 13:32:08

March 30, 2015
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rud.is » R 2015-03-30 13:32:08

Over on The DO Loop, @RickWicklin does a nice job visualizing the causes of airline crashes in SAS using a mosaic plot. More often than not, I find mosaic plots can be a bit difficult to grok, but Rick’s use was spot on and I believe it shows the data pretty well, but I also

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A Speed Comparison Between Flexible Linear Regression Alternatives in R

March 25, 2015
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A Speed Comparison Between Flexible Linear Regression Alternatives in R

Everybody loves speed comparisons! Is R faster than Python? Is dplyr faster than data.table? Is STAN faster than JAGS? It has been said that speed comparisons are utterly meaningless, and in general I agree, especially when you are comparing apples and oranges which is what I’m going to do here. I’m going to compare a couple of alternatives to...

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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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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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Visualizing Hubway Trips in Boston

February 21, 2015
By
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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