Checking residual distributions for non-normal GLMs Quantile-quantile plots If you are fitting a linear regression with Gaussian (normally distributed) errors, then one of the standard checks is to make sure the residuals are approximately normally d... [Read more...]

In case you missed them, here are some articles from September of particular interest to R users. The mathpix package converts images of hand-drawn equations to their LaTeX equivalent. R 3.4.2 is released. Applying image featurization to the problem of classifying wood knots in lumber. Microsoft ML Server 9.2, which provides operationalization ... [Read more...]

This is a somewhat belated introduction of a package that we published on CRAN at the beginning of the year already, but I hadn’t found the time to blog about this earlier. In the R environment and beyond, a large number of packages exist that estimate posterior distributions via ... [Read more...]

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I’ve been pretty quiet on the blog front recently. That’s because I overhauled my site, migrating it to Hugo (the foundation of blogdown). Just doing one extra thing on top of my usual workload, I also did another thing. I wrote a book too! I’m a big ... [Read more...]

I’ve been experimenting with by_row() from the R purrrlyr package. It’s a function that maps over the rows of a data frame, which I thought might be handy for processing our economic model’s parameter files. I didn’t find the documentation for by_row() told me ... [Read more...]

If you work on natural language processing in a day-to-day setting which involves statistical engineering, at a certain timepoint you need to process your text with a number of text mining procedures of which the following ones are steps you must do before you can get usefull information about your ... [Read more...]

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A new member has just joined the family of Data Science Virtual Machines on Azure: The Deep Learning Virtual Machine. Like other DSVMs in the family, the Deep Learning VM is a pre-configured environment with all the tools you need for data science and AI development pre-installed. The Deep Learning ... [Read more...]

Week 5 Gold Mining and Fantasy Football Projection Roundup now available. Go get that free agent gold! The post Gold-Mining – Week 5 (2017) appeared first on Fantasy Football Analytics. [Read more...]

Hi there! We just launched Working with Web Data in R by Oliver Keyes and Charlotte Wickham, our latest R course! Most of the useful data in the world, from economic data to news content to geographic information, lives somewhere on the internet - and this course will teach you ... [Read more...]

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More nzelect New Zealand election data on CRAN Version 0.4.0 of my nzelect R package is now on CRAN. The key changes from version 0.3.0 are: election results by voting place are now available back to 2002 (was just 2014) polling place locations... [Read more...]

RProtoBuf provides R bindings for the Google Protocol Buffers ("ProtoBuf") data encoding and serialization library used and released by Google, and deployed fairly widely in numerous projects as a language and operating-system agnostic protocol. A new releases RProtoBuf 0.4.11 appeared on CRAN earlier today. Not unlike the other recent releases, it ... [Read more...]

In this Recipe you will learn about the types of data available for language research and where to find data. The goal, then, is to introduce you to the landscape of language data available and provide a general overview of the characteristics of l... [Read more...]

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Motivation One day earlier this year, I was faced with the challenge of creating a report for management. It had to be an MS Word document (corporate requirement, you know). It was supposed to be polished and use many of the standard MS Word features like headers, footers, table of ... [Read more...]

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