1771 search results for "regression"

Oracle R Connector for Hadoop 2.2.0 released

July 19, 2013
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Oracle R Connector for Hadoop 2.2.0 is now available for download. The Oracle R Connector for Hadoop 2.x series has introduced numerous enhancements, which are highlighted in this article and summarized as follows:  ORCH 2.0.0  ORCH 2.1.0  ORCH...

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Connect R with Myrrix – Mahout & Cloudera’s real-time, scalable recommender system

Connect R with Myrrix – Mahout & Cloudera’s real-time, scalable recommender system

(This article was first published on BNOSAC - Belgium Network of Open Source Analytical Consultants, and kindly contributed to R-bloggers) Myrrix is probably more known by java developers and users of Mahout than R users. This is because most of the times java and R developers live in a different community.  If you go to the website of Myrrix...

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Advanced sab-R-metrics: Parallelization with the ‘mgcv’ Package

July 18, 2013
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Advanced sab-R-metrics: Parallelization with the ‘mgcv’ Package

Carson Sievert (creator of the really neat pitchRx package) and Steamer Projections posed a question about reasonable run times of the mgcv package on large data in R yesterday, and promised my Pitch F/X friends I would post here with a quick tip on sp...

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Evaluating the Potential Incorporation of R into Research Methods Education in Psychology

July 17, 2013
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I was recently completing some professional development activities that required me to write a report on a self-chosen topic related to diversity in student backgrounds. I chose to use the opportunity to reflect on the potential for using R to teach psychology students research methods. I thought I'd share the report in case it interests anyone. Abstract...

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Spatial Playtime

July 16, 2013
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There have been repeated calls for “space” in many fields of social science (all links are behind paywalls, sorry): Demography: (Voss 2007) Sociology: (Gieryn 2000) Epidemiology: for an early critical review (Jacquez 2000) Geography: obviously geographers were into space before it was cool. A couple of pieces I like are Doreen Massey’s book, For Space… Continue reading →

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Priors

July 16, 2013
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Nick Firoozye writes: While I am absolutely sympathetic to the Bayesian agenda I am often troubled by the requirement of having priors. We must have priors on the parameter of an infinite number of model we have never seen before and I find this troubling. There is a similarly troubling problem in economics of utility The post Priors...

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Tailor Your Tables with stargazer: New Features for LaTeX and Text Output

July 15, 2013
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Tailor Your Tables with stargazer: New Features for LaTeX and Text Output

Guest post by Marek Hlavac Since its first introduction on this blog, stargazer, a package for turning R statistical output into beautiful LaTeX and ASCII text tables, has made a great deal of progress. Compared to available alternatives (such as …Read more »

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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: it’s a wrap!

July 12, 2013
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UseR! 2013: it’s a wrap!

Steve Scott (Google) presents at useR! 2013, July 12 2013 The 2013 UseR! conference has drawn to a close in Albacete, Spain. The conference organizers did a fantastic job putting together a jam-packed presentation and social program for the 350+ R users in attendance. Here are just a few of my highlights from the last couple of days: Duncan...

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rxDTree(): a new type of tree algorithm for big data

July 11, 2013
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by Joseph Rickert The rxDTree() function included in the RevoScaleR package distributed with Revolution R Enterprise is an an example of a new class of algorithms that are being developed to deal with very large data sets. Although the particulars differ, what these algorithms have in common is the use of approximations, methods of summarizing or compressing data and...

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