Monthly Archives: February 2014

Oce translations

February 26, 2014
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Oce translations

A new Oce user wondered how to get Spanish labels on axes. This is easy for some plot types because xlab and ylab arguments are obeyed, but in many cases the labels are generated by the code. That meant that it was finally time for me to start localizing Oce, using the GNU gettext scheme. Gettext...

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rMaps Mexico map

February 26, 2014
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rMaps Mexico map

It's exciting when great people help each other get things done This is a simple networking story, which not be surprising to some but I was happily surprised by it. This is how the story goes: Two weeks ago rMaps (Vaidyanathan, 2014) was released. After making a blog post about it I thought about using it to make a map of...

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Nonlinear Time Series just appeared

February 25, 2014
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Nonlinear Time Series just appeared

My friends Randal Douc and Éric Moulines just published this new time series book with David Stoffer. (David also wrote Time Series Analysis and its Applications with Robert Shumway a year ago.) The books reflects well on the research of Randal and Éric over the past decade, namely convergence results on Markov chains for validating

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A Year of Using RStudio

February 25, 2014
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A Year of Using RStudio

It has been more than a year since I decided to give RStudio yet another try (yes, there were previous attempts) and … I can’t live without it today! Nowadays I use it almost 100% of the time when working on R code, but the reason is not just a preference over my favorite editor/environment

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How baby names propagate as memes across the US

February 25, 2014
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How baby names propagate as memes across the US

A good friend of mine sent me a link to an animated gif that shows the popularity of baby names …Continue reading →

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Quantitative Finance Applications in R – 4: Using the Generalized Lambda Distribution to Simulate Market Returns

February 25, 2014
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Quantitative Finance Applications in R – 4:  Using the Generalized Lambda Distribution to Simulate Market Returns

by Daniel Hanson, QA Data Scientist, Revolution Analytics Introduction As most readers are well aware, market return data tends to have heavier tails than that which can be captured by a normal distribution; furthermore, skewness will not be captured either. For this reason, a four parameter distribution such as the Generalized Lambda Distribution (GLD) can give us a more...

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Web Scraping part2: Digging deeper

February 25, 2014
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Slides from the second web scraping through R session: Web scraping for the humanities and social sciencesIn which we make sure we are comfortable with functions, before looking at XPath queries to download data from newspaper articles. Examples includ...

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Create a GENCODE transcript database in R

February 25, 2014
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The following gist will help the researchers in creating the gencode transcript database using the bioconductor packages. I am assuming that the user's computer has preinstalled packages "GenomicRanges" and "GenomicFeatures". Following script has the f...

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Convert Ensembl, Unigene, Uniprot and RefSeq IDs to Symbol IDs in R using Bioconductor

February 25, 2014
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Hello, I have programmed a function that converts different sources of IDs to Symbol IDs.The input ID types allowed are (at the moment):  Ensembl, Unigene, Uniprot and RefSeq.The code is available clicking hereNOTE: The function depends on the Bio...

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testthat 0.8 (and 0.8.1)

February 25, 2014
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testthat 0.8 (and 0.8.1)

We’re pleased to announce a new major version of testthat. Version 0.8 comes with a new recommended structure for storing your tests. To better meet CRAN recommended practices, we now recommend that tests live in tests/testthat, instead of inst/tests. This makes it possible for users to choose whether or not to install tests. With this

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