# Monthly Archives: March 2015

## At the APS Observer: a profile of JASP

March 2, 2015
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The APS Observer has just published a profile of JASP, a graphical user interface designed to make statistics easier. It includes Bayesian procedures by means of the R and the BayesFactor package. From the article: JASP distinguishes itself from S...

## Experiments in Time Series Clustering

March 2, 2015
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Last night I spotted this tweet about the R package TSclust. Thank you Pablo and Jose for #TSclust - time series clustering package in #rstats ! http://t.co/GBQtQnQ8Lr— Pasha Roberts (@pasharoberts) March 2, 2015 I should start by saying that I really don’t know what I’m doing, so be warned.  I thought it would interesting to apply TSclust to...

## So What Can Text Analysis Do for You?

March 2, 2015
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Despite believing we can treat anything we can represent in digital form as “data”, I’m still pretty flakey on understanding what sorts of analysis we can easily do with different sorts of data. Time series analysis is one area – the pandas Python library has all manner of handy tools for working with that sort

## Electric Power System simulations using R

March 2, 2015
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This is a guest post by Ben Ubah. The field of electric power systems engineering relies heavily on computer simulations for analysis because of its nature. These computer simulations aid the planning, operation and management of the system. Computer simulations have been implemented using several scientific computing tools. However, I have not yet seen any implementations using R. This inspired my...

## Silhouettes

March 2, 2015
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Romeo, Juliet, balcony in silhouette, makin o’s with her cigarette, it’s juliet (Flapper Girl, The Lumineers) Two weeks ago I published this post for which designed two different visualizations. At the end, I decided to place words on the map of the United States. The discarded visualization was this other one, where I place the words over the silhouette … Continue reading Silhouettes...

## Using Tables for Statistics on Large Vectors

March 1, 2015
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$Using Tables for Statistics on Large Vectors$

This is the first post I’ve written in a while. I have been somewhat radio silent on social media, but I’m jumping back in. Now, I work with brain images, which can have millions of elements (referred to as voxels). Many of these elements are zero (for background). We want to calculate basic statistics on

## Chord progressions of 5 000 songs!

March 1, 2015
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The Hooktheory.com database contains analyses of over 5000 songs*. These analyses are uploaded by users and allow for all these songs to be analyzed in bulk, as well as individually. One of these ‘all song’ analyses enables users to gather chord progressions on ALL songs (see the analysis file to …

## drat 0.0.2: Improved Support for Lightweight R Repositories

March 1, 2015
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A few weeks ago we introduced the drat package. Its name stands for drat R Archive Template, and it helps with easy-to-create and easy-to-use repositories for R packages. Two early blog posts describe drat: First Steps Towards Lightweight Repositorie...

## Should I use premium Diesel? Setup

March 1, 2015
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Since I drive quite a lot, I have some interest in getting the most km out every Euro spent on fuel. One thing to change is the fuel. The oil companies have a premium fuel, which is supposed to be better for both engine and fuel consumption. On the oth...