1739 search results for "regression"

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

July 18, 2013
By
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...

Read more »

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

July 17, 2013
By

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...

Read more »

Spatial Playtime

July 16, 2013
By

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 →

Read more »

Priors

July 16, 2013
By

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...

Read more »

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

July 15, 2013
By
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 »

Read more »

Zero to hero

July 13, 2013
By
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...

Read more »

UseR! 2013: it’s a wrap!

July 12, 2013
By
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...

Read more »

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

July 11, 2013
By

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...

Read more »

user2013: The caret tutorial

July 9, 2013
By
user2013: The caret tutorial

This afternoon I went to Max Kuhn’s tutorial on his caret package. caret stands for classification and regression (something beginning with e) trees. It provides a consistent interface to nearly 150 different models in R, in much the same way as the plyr package provides a consistent interface to the apply functions. The basic usage

Read more »

Modeling Residential Electricity Usage with R – Part 2

July 8, 2013
By
Modeling Residential Electricity Usage with R – Part 2

(This article was first published on Commodity Stat Arb, and kindly contributed to R-bloggers) I can’t believe it has been nearly 6 months since I last posted.  Given the sustained heat it seemed like a good idea to finish off this subject. As hinted at in my last post, temperature is the missing variable to make sense of Residential...

Read more »