August 2014

Spatial Data Visualization with R

August 31, 2014 | 0 Comments

I’ve been fooling around with spatial data lately. As it turns out, there are some great R packages for visualizing this kind of data. Below is a set of charts I put together. It’s a good sample of the possibilities. keeps a dataset with characteristics of ...
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A new candidate for worst figure

August 31, 2014 | 0 Comments

Today I read a paper that had been submitted to the IJF which included the following figure along with several similar plots. (Click for a larger version.) I haven’t seen anything this bad for a long time. In fact, I think I would find it very difficult to reproduce ... [Read more...]

BayesFactor version 0.9.8 released to CRAN

August 31, 2014 | 0 Comments

BayesFactor version 0.9.8 has been released on CRAN! This is a both a bug fix and feature update. From the NEWS: Fixed bugs in model enumeration code Fixed bug leading to wrong computation of number of covariate when interactions between cont... [Read more...]

MongoDB – State of the R

August 31, 2014 | 0 Comments

Naturally there are two reasons for why you need to access MongoDB from R: MongoDB is already used for whatever reason and you want to analyze the data stored therein You decide you want store your data in MongoDB instead of … Continue reading → [Read more...]

Beta binomial revisited

August 31, 2014 | 0 Comments

I got some comments on my priors of last week's post where better priors were proposed. Hence this week's post looks at them. After some minor adaptations, since I have nine beta parameters and beta needs to be fairly high, I can conclude that these pr... [Read more...]

Forecasts After Marina’s Turbulence

August 30, 2014 | 0 Comments

It’s more difficult than ever to tell who is going to continue in the runoff after the October 5th. After Marina’s campaign mate’s death, a big chunk of the electorate have been persuaded towards the alternative between PT and PSDB. The values I used to start the ... [Read more...]

Age-Length Keys in FSA

August 30, 2014 | 0 Comments

I have updated the age-length key related functions in FSA and the age-length key vignette.  The details are below.   Let me know if you have questions or suggestions. FSA Changes All code that used ageKey(), ageKeyPrep(), and ageKeyPlot() should … Continue reading → [Read more...]


August 29, 2014 | 0 Comments

In my previous post, I wrote about displaying a Windows progress bar (useful when going through long for-loops).  In the comments, a couple of users recommended that I check out pbapply().  This function is great too (and works on all … Continue reading → [Read more...]

BH release 1.54.0-4

August 29, 2014 | 0 Comments

Another small new release of our BH package providing Boost headers for use by R is now on CRAN. This one brings a one-file change: the file any.hpp comprising the Boost.Any library --- as requested by a fellow package maintainer needing it for a pe... [Read more...]

LED is my new Hello World – R Time

August 29, 2014 | 0 Comments I have said many times before, the LED Number application has become my new Hello World...whenever I learn a new programming language I try to build this, because it compromises several language constructs and makes you learn more by trying to... [Read more...]

R tops KDNuggets data analysis software poll for 4th consecutive year

August 29, 2014 | 0 Comments

KDNuggests asked its readers the question "What programming/statistics languages you used for an analytics / data mining / data science work in 2014?" and one again, R was the #1 response. (R was also the #1 response in similar polls in 2013, 2012 and 2011.) The top 5 selections of the 719 respondents were: R (352 respondents) SAS (262) Python (252) SQL (220) ... [Read more...]

New website

August 28, 2014 | 0 Comments

The new Quantide website is online. This is the fourth version of company website. In this post, I revisit the history of the site. [Read more...]

Launching DATA-COPE

August 28, 2014 | 0 Comments

Really excited to launch my new website  - DATA-COPE, a place for education data analysts to share ideas, learn about the latest tools and policies affecting their work, and to keep the pulse on education analytics and the role they play in i... [Read more...]

R User Group Roundup

August 28, 2014 | 0 Comments

by Joseph Rickert In the first half of 2014, worldwide R user group activity continued to increase, showing impressive growth over the same periods for the past couple of years. For the last four months, the pace has been over 50 meetings per month. n There are now 147 user groups listed in ... [Read more...]

A Brief Introduction to Plotly

August 28, 2014 | 0 Comments

This is a guest post by Matt Sundquist. Matt studied philosophy at Harvard and is a Co-founder at Plotly. He previously worked for Facebook’s Privacy Team, has been a Fulbright Scholar in Argentina and a Student Fellow of the Harvard Law School Program on the Legal Profession, and wrote ... [Read more...]

Yet another R package primer

August 28, 2014 | 0 Comments

Hadley Wickham is writing what will surely be a great book about the basics of R packages. And Hilary Parker wrote a very influential post on how to write an R package. So it seems like that topic is well covered. Nevertheless, I’d been thinking for some time that ... [Read more...]
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