Easy Clustered Standard Errors in R

October 20, 2014
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Twitter Pop-up Analytics

October 20, 2014
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Twitter Pop-up Analytics

IntroductionSo I've been thinking a lot lately. Well, that's always true. I should say, I've been thinking a lot lately about the blog. When I started this blog I...

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The lapply command 101

October 20, 2014
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The lapply command 101

Next up in our review of the family of apply commands we’ll look at the lapply function, which can be used to loop over the elements of a list...

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Learn dplyr with RStudio and Datacamp

October 20, 2014
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Learn dplyr with RStudio and Datacamp

RStudio has teamed up with Datacamp to create a new, interactive way to learn dplyr. Dplyr is an R package that provides a fast, intuitive way to transform data...

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Explore R package connections at MRAN

October 20, 2014
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Explore R package connections at MRAN

Many R scripts depend on CRAN packages, and most CRAN packages in turn depend on other CRAN packages. If you install an R package, you'll also be installing its...

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Tiny Data, Approximate Bayesian Computation and the Socks of Karl Broman

October 20, 2014
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Tiny Data, Approximate Bayesian Computation and the Socks of Karl Broman

Big data is all the rage, but sometimes you don’t have big data. Sometimes you don’t even have average size data. Sometimes you only have eleven unique socks:

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meteoForecast 0.43: GFS, NAM, and RAP included

October 20, 2014
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meteoForecast 0.43: GFS, NAM, and RAP included

Some months ago I published the meteoForecast package, with functions to download data from the Meteogalicia and OpenMeteo NWP-WRF services. …Sigue leyendo →

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The World We Live In #2: To Study Or To Work

October 19, 2014
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The World We Live In #2: To Study Or To Work

I was getting ready for school and about to wear my uniform when I remembered that our principal had told us not to wear uniforms. So I decided to...

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hts with regressors

October 19, 2014
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hts with regressors

The hts package for R allows for forecasting hierarchical and grouped time series data. The idea is to generate forecasts for all series at all levels of aggregation without...

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Estimating a Beta Regression with The Variable Dispersion in R

October 19, 2014
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Estimating a Beta Regression with The Variable Dispersion in R

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littler 0.2.1

October 19, 2014
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littler 0.2.1

A new maintenance release of littler is available now. The main change are a few updates and extensions to the examples provided along with littler. Several of those continue...

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Tuning Laplaces Demon II

October 19, 2014
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Tuning Laplaces Demon II

I am continuing with my trying all algorithms of Laplaces Demon. It is actually quite a bit more work than I expected but I do find that some of...

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Removing Uncited References in a Tex File (with R)

October 18, 2014
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Removing Uncited References in a Tex File (with R)

Last week, with @3wen, we were working a the revised version of our work on smoothing densities of spatial processes (with edge correction). Usually, once you have revised the...

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Find the last day of the month

October 17, 2014
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Find the last day of the month

I have different sets of monthly data that I want to align and evaluate once a month. The different sources report the timestamp of the monthly data differently –...

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Statistics doesn’t have to be so hard: simulate!

October 17, 2014
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My second-favourite keynote from yesterday's Strata Hadoop World conference was this one, from Pinterest's John Rauser. To many people (especially in the Big Data world), Statistics is a series...

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Add An Export Module to Shiny-app for Highcharts Figure

October 17, 2014
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Highcharts is the best JavaScript chart library, I feel. By default, there is an export button which can let you save the interactive figure to PNG, JPEG, PDF and...

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Design A Bilingual Shiny Application

October 17, 2014
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(This article was first published on Category: R | Huidong Tian's Blog, and kindly contributed to R-bloggers) It’s a common requirement that your Shiny application should be bilingual. I...

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R User Groups and "after hours" Creativity

October 16, 2014
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R User Groups and "after hours" Creativity

by Joseph Rickert There is something about R user group meetings that both encourages, and nourshies a certain kind of "after hours" creativity. Maybe it is the pressure of...

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MilanoR meeting: call for presentations

October 16, 2014
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MilanoR staff is organizing the next MilanoR meeting. T

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Where do I start using Bioconductor?

October 15, 2014
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Where do I start using Bioconductor?

I was recently asked where do I get started with Bioconductor? and thought this would be a good short post. What is BioC? Briefly, Bioconductor (Gentleman, Carey, Bates, and others, 2004)...

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Beware Graphical Networks from Rating Scales without Concrete Referents

October 15, 2014
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Beware Graphical Networks from Rating Scales without Concrete Referents

We think of latent variables as hidden causes for the correlations among observed measures and rely on factor analysis to reveal the underlying structure. In a previous post, I borrowed...

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a bootstrap likelihood approach to Bayesian computation

October 15, 2014
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a bootstrap likelihood approach to Bayesian computation

This paper by Weixuan Zhu, Juan Miguel Marín , and Fabrizio Leisen proposes an alternative to...

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Rules of thumb to predict how long you will live

October 15, 2014
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Rules of thumb to predict how long you will live

Figure out how long you will live with these rules of thumb. The post Rules of thumb to predict how long you will live appeared first on

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JJ Allaire, the useR! 2014 interview

October 15, 2014
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JJ Allaire has courageously bet, time and time again, on the cutting edge of technologies....

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Structural “Arbitrage”: Trading the Equity Curve

October 15, 2014
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Structural “Arbitrage”: Trading the Equity Curve

The last post demonstrated that far from being a world-beating, absolutely amazing strategy, that Harry Long’s Structural “Arbitrage”, was in … Continue reading →

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splitstackshape V1.4.0 for R

October 15, 2014
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After more than a year since splitstackshape V1.2.0, I’ve finally gotten around to making some major updates and submitting the package to CRAN. So, if you have messed up...

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Introducing Revolution R Open and Revolution R Plus

October 15, 2014
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For the past 7 years, Revolution Analytics has been the leading provider of R-based software and services to companies around the globe. Today, we're excited to announce a new,...

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The Generalized Lambda Distribution and GLDEX Package for Fitting Financial Return Data – Part 2

October 14, 2014
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The Generalized Lambda Distribution and GLDEX Package for Fitting Financial Return Data – Part 2

Part 2 of a series by Daniel Hanson, with contributions by Steve Su (author of the GLDEX package) Recap of Part 1 In our previous article, we introduced the...

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googleVis 0.5.6 released on CRAN

October 14, 2014
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googleVis 0.5.6 released on CRAN

Version 0.5.6 of googleVis was released on CRAN over the weekend. This version fixes a bug in gvisMotionChart. Its arguments xvar, yvar, sizevar and colorvar were not always picked...

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