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 up correctly. Thanks to Juuso Parkkinen for reporting this issue.Exampl...

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analogue 0.14-0 released

October 14, 2014
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A couple of week’s ago I packaged up a new release of analogue, which is available from CRAN. Version 0.14-0 is a smaller update than the changes released in 0.12-0 and sees a continuation of the changes to dependencies to have packages in Imports rather than Depends. The main development of analogue now takes place on github...

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analyze the public libraries survey (pls) with r

October 14, 2014
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each and every year, the institute of museum and library services coaxes librarians around the country to put down their handheld "shhhh..." sign and fill out a detailed online questionnaire about their central library, branch, even bookmobile.  t...

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Subset replacement in pqR: Now faster and better

October 13, 2014
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Subset replacement in pqR: Now faster and better

The latest version of pqR that I just released uses a new way of implementing subset replacement operations — such as a<-1 or L$M<-v. The new approach is much faster, and eliminates some strange behaviour of the previous approach. This change affects only interpreted code. The bytecode compiler (available since R-2.13.0) introduced a different mechanism, which is

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Bioinformatics journals: time from submission to acceptance, revisited

October 13, 2014
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Bioinformatics journals: time from submission to acceptance, revisited

Before we start: yes, we’ve been here before. There was the Biostars question “Calculating Time From Submission To Publication / Degree Of Burden In Submitting A Paper.” That gave rise to Pierre’s excellent blog post and code + data on Figshare. So why are we here again? 1. It’s been a couple of years. 2.

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ggvis 0.4

October 13, 2014
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ggvis 0.4

ggvis 0.4 is now available on CRAN. You can install it with: install.packages("ggvis") The major features of this release are: Boxplots, with layer_boxplots() chickwts %>% ggvis(~feed, ~weight) %>% layer_boxplots() Better stability when errors occur. Better handling of empty data and malformed data. More consistent handling of data in compute pipeline functions. Because of these changes,

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Spending Seized Assets – A State-by-State Per-capita Comparison in R

October 13, 2014
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Spending Seized Assets – A State-by-State Per-capita Comparison in R

The Washingon Post did another great story+vis, this time on states Spending seized assets. According to their sub-head: Since 2008, about 5,400 police agencies have spent $2.5 billion in proceeds from cash and property seized under federal civil forfeiture laws. Police suspected the assets were linked to crime, although in 81 percent of cases no

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Analyze Instagram with R

October 13, 2014
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Analyze Instagram with R

This tutorial will show you how you create an Instagram app, create an authentication process with R and get data via the Instagram API. There is no R package for this yet so we... The post Analyze Instagram with R appeared first on ThinkToStart.

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New Course! A hands-on introduction to statistics with R by A. Conway (Princeton University)

October 13, 2014
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New Course! A hands-on introduction to statistics with R by A. Conway (Princeton University)

The best way to learn is at your own pace. Combining the interactive R learning environment of DataCamp and the expertise of Prof. Conway of Princeton, we offer you an extensive online course on introductory statistics with R.  Start learning now… Whether you are a professional using statistics in your job, an academic wanting a

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Hadley Wickham’s dplyr tutorial at useR! 2014, Part 1

October 13, 2014
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hhhhhhhhhhhhhhhhhhhhh

Hadley Wickham (perhaps you’ve heard of his work) presented a 2 hour workshop on dplyr...

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Hadley Wickham presents dplyr at useR! 2014

October 13, 2014
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Hadley Wickham is hard at work, releasing packages which leverage the expressive power of R...

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Introducing the Reproducible R Toolkit and the checkpoint package

October 13, 2014
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Introducing the Reproducible R Toolkit and the checkpoint package

The ability to create reproducible research is an important topic for many users of R. So important, that several groups in the R community have tackled this problem. Notably, packrat from RStudio, and gRAN from Genentech (see our previous blog post). The Reproducible R Toolkit is a new open-source initiative from Revolution Analytics. It takes a simple approach to...

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dplyr 0.3

October 13, 2014
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dplyr 0.3

I’m very pleased to announce that dplyr 0.3 is now available from CRAN. Get the latest version by running: install.packages("dplyr") There are four major new features: Four new high-level verbs: distinct(), slice(), rename(), and transmute(). Three new helper functions between, count(), and data_frame(). More flexible join specifications. Support for row-based set operations. There are two

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Sensitivity and Elasticity of seasonal matrix model

October 13, 2014
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Sensitivity and Elasticity of seasonal matrix model

The previous article introduced the seasonal matrices and the population growth rate λ of imaginary annual plant.  In this article, let’s try the sensitivity analysis of these matrices and the … Continue reading →

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Do Political Scientists Care About Effect Sizes: Replication and Type M Errors

October 13, 2014
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Reproducibility has come a long way in political science since I began my PhD all the way back in 2008. Many major journals now require replication materials be made available either on their websites or some service such as the Dataverse Network.This ...

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Beautiful Curves: The Harmonograph

October 12, 2014
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Beautiful Curves: The Harmonograph

Each of us has their own mappa mundi (Gala, my indispensable friend) The harmonograph is a mechanism which, by means of several pendulums, draws trajectories that can be analyzed not only from a mathematical point of view but also from an artistic one. In its double pendulum version, one pendulum moves a pencil and the

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Seinfeld streak at GitHub

October 12, 2014
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Seinfeld streak at GitHub

Early last year, I referred to a Seinfeld Streak in a blog post referring to almost two months of updates to the Rcpp Gallery. This is sometimes called Jerry Seinfeld's secret to productivity: Just keep at it. Don't break the streak. I now have different streak: Now we'll see how...

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Tuning LaplacesDemon

October 12, 2014
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Tuning LaplacesDemon

I was continuing with my Bayesian algorithms in R exercise. For these exercises I port SAS PROC MCMC examples to the various R solutions. However, the next example was logit model and that's just too simple, especially after last week's Jacobian for th...

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When to Use Stacked Barcharts?

October 11, 2014
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When to Use Stacked Barcharts?

Yesterday a few of us on Facebook’s Data Science Team released a blogpost showing how candidates are campaigning on Facebook in the 2014 U.S. midterm elections. It was picked up in the Washington Post, in which Reid Wilson calls us “data … Continue reading →

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2014 Metabolomic Data Analysis and Visualization Workshop and Tutorials

October 11, 2014
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2014 Metabolomic Data Analysis and Visualization Workshop and Tutorials

Recently I had the pleasure of teaching statistical and multivariate data analysis and visualization at the annual Summer Sessions in Metabolomics 2014, organized by the NIH West Coast Metabolomics Center. Similar to last year, I’ve posted all the content (lectures, labs and software) for any one to follow along with at their own pace. I also

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RGLUEANN package available on GitHub

October 11, 2014
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RGLUEANN package available on GitHub

The RGLUEANN package is now available on GitHub at http://github.com/rogiersbart/RGLUEANN. The package provides an R implementation of the coupling between general likelihood uncertainty estimation (GLUE) and artificial neural networks (ANNs)...

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My visits and RDataMining talks in North America

October 11, 2014
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My visits and RDataMining talks in North America

  I visited Mexico recently and is now travelling in US. In the 1st week of October, I delivered a keynote talk at the CONAIS 2014 conference in Mexico, as well as a one-day workshop on data mining with R … Continue reading →

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DataFrame manipulation in R from basics to dplyr

October 11, 2014
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DataFrame manipulation in R from basics to dplyr

  In my surroundings at work I see quite a few people managing their data in spreadsheet software like Excel or Calc, these software will do the work but I usually tend to do as little data manipulation in them as possible and to turn as soon as possible my spreadsheets into csv files and

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RPushbullet 0.1.0 with a lot more awesome

October 10, 2014
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A new release 0.1.0 of the RPushbullet package (interfacing the neat Pushbullet service) landed on CRAN today. It brings a number of goodies relative to the first release 0.0.2 of a few months ago: pushing of files is now supported thanks to a nice ...

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14 Reasons Why R is better than Excel

October 10, 2014
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The Fantasy Football Analytics blog shares these 14 reasons why R is better than Excel for data analysis: More powerful data manipulation capabilities Easier automation Faster computation It reads any type of data Easier project organization It supports larger data sets Reproducibility (important for detecting errors) Easier to find and fix errors It's free It's open source Advanced Statistics...

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SVG + Javascript Ekholm Decomposition in RStudio Browser

October 10, 2014
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Our topics this week seem unrelated, but in an effort to bridge the two another random project – make website in R for these SVGs of Portland Vector Bridges result: Portland Bridges in SVGcode: R to make simple siteEkholm decomposition SelectionShare & TimingShare | Masterfully Written by Delightfully Responsive Author Popular Mutual Funds Decomposed With Ekholm (2014) Responsive...

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“R for Developers” free web-book: leave your opinion

October 10, 2014
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“R for Developers” free web-book: leave your opinion

A week ago, my boss at Quantide, Andrea Spanò, publishe

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Waterfall and 3D plotting exploration

October 9, 2014
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Waterfall and 3D plotting exploration

Taking the very 'waterfall graph' code posted by Robert Grant I have added some features (resistance Overall I find the graphs produced from this code to be beautiful and fascinating though I am not sure if I would really use them as a form of data exp...

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SVG + a little extra (d3.js) in RStudio Browser | No Pipes This Time

October 9, 2014
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I’m guessing here, but yesterday’s post Responsive SVG in Your RStudio Browser might have inspired some “but,…)”s, “yes plus I need”s, “what the %>>% with the pipe”s, etc.  I’ll attempt to address a couple of these in this quick post. First, if you don’t like pipes, here is the non-piped version of the code.  I also made one change,...

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