October 2017

Increasing Airline Customer Satisfaction

October 29, 2017 | Kathryn Bryant

Motivation The sheer size of the airline industry provides a reason to care about it: it affects not only millions of people directly (flyers, pilots, engineers, […] The post Increasing Airline Customer Satisfaction appeared first on NYC Data Science Academy Blog.
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Word Vectors with tidy data principles

October 29, 2017 | Rstats on Julia Silge

Last week I saw Chris Moody’s post on the Stitch Fix blog about calculating word vectors from a corpus of text using word counts and matrix factorization, and I was so excited! This blog post illustrates how to implement that approach to find word vector representations in R using ...
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2017-04 Speeding up gridSVG

October 29, 2017 | pmur002

This report describes changes in version 1.6-0 of the ‘gridSVG’ package for R. The most important result of these changes is that ‘gridSVG’ is now much faster at generating SVG files (in situations where it used to be painfully slow). Paul Murrell Download [Read more...]

Big Data Transforms

October 29, 2017 | John Mount

As part of our consulting practice Win-Vector LLC has been helping a few clients stand-up advanced analytics and machine learning stacks using R and substantial data stores (such as relational database variants such as PostgreSQL or big data systems such as Spark). Often we come to a point where we ...
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Capturing the Brexit vote in data

October 29, 2017 | Thiemo Fetzer

In my recent research I have worked on understanding the key correlates of Brexit. This paper is joint work with my co-authors Sascha Becker and Dennis Novy and has now been published in Economic Policy. After having gone through the peer-review process, I am very happy to share the data ... [Read more...]

October 2017 Auto Sales Predictions

October 28, 2017 | Sweiss' Blog

Below are predictions for 10-2017 autosales for each auto brand. I modeled monthley car sales by nameplate (eg Camry, Civic, etc), predicted one step ahead forecast and summed by manufacture. The model is a state-space model with trend and seasonality ... [Read more...]

Highlight the Pipe. Pkgdown

October 28, 2017 | QuestionFlow

Practical advices about customizing code highlighting on web pages created with pkgdown. Prologue It felt really nice to achieve custom code highlighting on this site with highlight.js (see this post). After that, I found myself working with pkgdown, one of many great Hadley’s packages. It is “designed to ... [Read more...]

Moving to Blogdown

October 28, 2017 | Data Imaginist

As I announced last friday on Twitter I have moved Data Imaginist to Blogdown from Jekyll. This is going to be a short post about why I did it. There’s not going to be much tutorial about this; the migration is as painless as can be expected and besides, ...
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groupdata2 v1.0.0 release

October 28, 2017 | Ludvig Olsen

After having spent a lot of time developing groupdata2 in the spring, adding a lot of new features, I’ve finally found the time to submit it to CRAN. For those… Read More → The post groupdata2 v1.0.0 release was first shown [Read more...]

Spring Budget 2017: Circle Visualisation

October 27, 2017 | Rob Grant

It’s time to branch out into a new area of data visualisation: proportion area plots. These plots use area to show proportion between different related values. A common type of proportional area plots are tree maps. We are going to be using the same principle but with circles. A ...
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Stan Roundup, 27 October 2017

October 27, 2017 | Bob Carpenter

I missed two weeks and haven’t had time to create a dedicated blog for Stan yet, so we’re still here. This is only the update for this week. From now on, I’m going to try to concentrate on things that are done, not just in progress so ... [Read more...]
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