New York Times approachably describes Bayesian Statistics

October 1, 2014
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The New York Times published an article of interest to statisticians the other day: "The Odds, Continually Updated". Surprisingly for a general-audience newspaper, this article goes into the the distinctions between Bayesian and frequentist statistics, and does so in a very approachable way. Here's an excerpt: The essence of the frequentist technique is to apply probability to data. If...

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Got a ticket for the runoff?

October 1, 2014
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Got a ticket for the runoff?

This is one of the very last posting before the election next Sunday. So far, the only certainty is the runoff ticket of the incumbent candidate, Dilma Rousseff (PT)....

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Transparent hurricane paths in R

October 1, 2014
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Transparent hurricane paths in R

Arthur Charpentier has written a really nice blog post about obtaining hurricane tracks and plotting them. He then goes on to do other clever Markov process models, but as a...

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New fiscal sponsorship agreement with NumFocus foundation

October 1, 2014
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New fiscal sponsorship agreement with NumFocus foundation

I’m very pleased to announce that rOpenSci has signed a comprehensive fiscal sponsorship agreement with the NumFocus foundation, a 501(c)3 nonprofit that supports R&D for open source...

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Complex Domain Coloring

September 30, 2014
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Complex Domain Coloring

Why don’t you stop doodling and start writing serious posts in your blog? (Cecilia, my beautiful wife) Choose a function, apply it to a set of complex numbers, paint  the...

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Structured simulation of regression models – simReg package.

September 30, 2014
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I'd like to introduce a package that simulates regression models. This includes both single level and multilevel (i.e. hierarchical or linear mixed) models up to two levels of nesting....

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Install R in Android, via GNURoot -no root required!

September 30, 2014
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Install R in Android, via GNURoot -no root required!

Playing with my tablet some time ago, I wondered if installing R could be possible. You know, a small android device “to the power of R”… After searching on...

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Interactive Visualisation of the Profitable Amount of Waste to Dispose Illegally

September 30, 2014
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Interactive Visualisation of the Profitable Amount of Waste to Dispose Illegally

"Wow!" - I said to myself after reading R Helps With Employee Churn post - "I can create interactive plots in R?!!! I have to try...

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Generating Hurricanes with a Markov Spatial Process

September 30, 2014
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Generating Hurricanes with a Markov Spatial Process

The National Hurricane Center (NHC) collects datasets with all  storms in North Atlantic, the North Atlantic Hurricane Database (HURDAT). For all sorms, we have the location of the storm,...

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Meet us at R Day and at the Strata+Hadoop World NYC Oct 15-17, 2014

September 30, 2014
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Meet us at R Day and at the Strata+Hadoop World NYC Oct 15-17, 2014

Are you headed to Strata? It’s just around the corner! We particularly hope to see you at R Day on October 15, where we will cover a raft of current...

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Additional tips for structuring an individual-based model in R

September 30, 2014
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Additional tips for structuring an individual-based model in R

 I had a reader ask me recently to help understand how to modify the code of an individual-based model (IBM) that I posted a while back. It was my...

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Why are we still teaching T-tests?

September 30, 2014
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The following post by Norm Matloff originally appeared on his blog, Mad(Data)Scientist, on September 15th. We rarely republish posts that have appeared on other blogs, however, the questions that...

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Building a DGA Classifier: Part 1, Data Preparation

September 30, 2014
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This will be a three-part blog series on building a DGA classifier and will be split into three logical phases of building a classifier: 1) Data preparation (this) 2) Feature engineering...

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Example 2014.11: Contrasts the basic way for R

September 30, 2014
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Example 2014.11: Contrasts the basic way for R

As we discuss in section 6.1.4 of the second edition, R and SAS handle categorical variables and their parameterization in models quite differently. SAS treats them on a...

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Structural Arb Analysis and Portfolio Management Functionality in R

September 30, 2014
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Structural Arb Analysis and Portfolio Management Functionality in R

I want to use this post to replicate an article I found on SeekingAlpha, along with demonstrating PerformanceAnalytics’s ability to … Continue reading →

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Syrian Refugee Settlement Clinic Locations

September 30, 2014
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Syrian Refugee Settlement Clinic Locations

Previously I posted about the location of refugee settlements and how that had grown in density over time as well as in numbers.  As many NGOs and non-profits work...

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Running RStudio via Docker in the Cloud

September 30, 2014
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Running RStudio via Docker in the Cloud

Deploying applications via Docker container is the current talk of town. I have heard about Docker and played around with it a little, but when Dirk Eddelbuettel posted his...

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seeking altruistic social scientists, demographers, survey researchers

September 30, 2014
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seeking altruistic social scientists, demographers, survey researchers

hi everyone, please share this:  if you are an experienced user of a publicly-available survey data set from any country or international organization, let's work together on some user-friendly...

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Rcpp 0.11.3

September 29, 2014
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A new release 0.11.3 of Rcpp is now on the CRAN network for GNU R, and an updated Debian package has been uploaded too. Rcpp has become the most...

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Data management with ShinyApps.io

September 29, 2014
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Data management with ShinyApps.io

Some of the most innovative Shiny apps share data across user sessions. Some apps share the results of one session to use in future sessions, others track user characteristics...

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Video introduction to data manipulation with dplyr

September 29, 2014
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Hadley Wickham's dplyr package is a great toolkit for getting data ready for analysis in R. If you haven't yet taken the plunge to using dplyr, Kevin Markham has...

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TURF Analysis: A Bad Answer to the Wrong Question

September 29, 2014
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TURF Analysis: A Bad Answer to the Wrong Question

Now that R has a package performing Total Unduplicated Reach and Frequency (TURF) Analysis, it might be a good time to issue a warning to all R users. DON'T...

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Registration now open for Master R Developer workshop in San Francisco

September 29, 2014
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Registration now open for Master R Developer workshop in San Francisco

Registration is now open for the next Master R Development workshop led by Hadley Wickham, author of over 30 R packages and the Advanced R book. The workshop will...

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A majority victory is not that impossible

September 29, 2014
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A majority victory is not that impossible

By this time next week, we'll already know the true vote intentions of Brazilians towards the candidates running for president. Not long time ago a runoff was taken as...

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Ramarro: “R for Developers” free (web) book

September 29, 2014
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What is Ramarro? Ramarro is a book about advanced R pro

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R package for Computational Actuarial Science

September 29, 2014
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A webpage for the book is now hosted on http://cas.uqam.ca/ So far, it is a very basic page, but information regarding the package can be found there. For instance, to install...

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Machine learning with R & Advanced R programming course

Machine learning with R & Advanced R programming course

This year, BNOSAC offers 2 R courses in cooperation with the Leuven Statistics Research Center. The courses are part of the Leuven STATistics STATe of the Art Training Initiative...

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jsonlite 0.9.12: now even lighter and faster

September 28, 2014
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jsonlite 0.9.12: now even lighter and faster

The jsonlite package implements a robust, high performance JSON parser and generator for R, optimized for statistical data and the web....

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future of computational statistics

September 28, 2014
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future of computational statistics

I am currently preparing a survey paper on the present state of computational statistics, reflecting on the massive evolution of the field since my early Monte Carlo simulations on...

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