February 2018

Editable Plots from R to PowerPoint

February 24, 2018 | Laurens Geffert

In this post I am giving a quick overview of how to create editable plots in PowerPoint from R. These plots are comprised of simple vector-based shapes and thus allow you to change labels, colours, or text position in seconds. Your project managers wi...
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ggplot2: Legend – Part 2

February 23, 2018 | Rsquared Academy Blog

Introduction This is the 14th post in the series Elegant Data Visualization with ggplot2. In the previous post, we learnt how to modify the legend of plots when aesthetics are mapped to variables. In this post, we will continue to explore different ways to modify/customize the legend of plots. ...
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Edinbr: Text Mining with R

February 23, 2018 | R on The Jumping Rivers Blog

During a very quick tour of Edinburgh (and in particular some distilleries), Dave Robinson (Tidytext fame), was able to drop by the Edinburgh R meet-up group to give a very neat talk on tidy text. The first part of the talk set the scene What does does text mean? Why ...
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How to set up a sparklyr cluster in 5 minutes

February 23, 2018 | David Smith

If you've ever wanted to play around with big data sets in a Spark cluster from R with the sparklyr package, but haven't gotten started because setting up a Spark cluster is too hard, well ... rest easy. You can get up and running in about 5 minutes using the guide SparklyR ... [Read more...]

Is R base::subset() really that bad?

February 23, 2018 | John Mount

Is R base::subset() really that bad? Notes discussing subset() often refer to the following text (from help(subset), referred to in examples: 1, 2): Warning This is a convenience function intended for use interactively. For programming it is better to use the standard sub-setting functions like [, and in particular the non-standard ...
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R, Azure SQL Server, and Mac OS X

February 23, 2018 | Jonathan

There are a few options out there for those of us who work (mostly or solely) on a Mac and need to access MSSQL databases through R.   RODBC and RSqlServer are the two I’ve worked with. RODBC requires some additional workarounds with a Unix ODBC driver; RSqlServer has issues ... [Read more...]

Xie Yihui, R Superstar and Mensch

February 23, 2018 | matloff

Yesterday a friend told me, “Yihui has written the most remarkably open blog post, and you’ve got to read it.” I did and it was. Though my post here is not about R per se, it is about a great contributor to R, our Yihui, Dr. of Statistics and (...
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An introduction to joint modeling in R

February 22, 2018 | mareviv

By J Espasandin, O Lado, A Bouzas, A Baluja. You can also check this post, written in #blogdown, here: intro-joint-modeling-r. These days, between the 19th and 21st of February, has taken place the learning activity titled “An Introduction to the … Sigue leyendo → [Read more...]

Analyzing accelerometer data with R

February 22, 2018 | David Smith

Using your smartphone (any modern phone with a built-in accelerometer should work), visit the Cast Your Spell page created by Nick Strayer. (If you need to type it to your phone browser directly, here's a shortlink: bit.ly/castspell .) Scroll down and click the "Press To Cast!" button, and then ... [Read more...]

R Tip: Force Named Arguments

February 22, 2018 | John Mount

R tip: force the use of named arguments when designing function signatures. R’s named function argument binding is a great aid in writing correct programs. It is a good idea, if practical, to force optional arguments to only be usable by name. To do this declare the additional arguments ... [Read more...]

Unveiling the Global UFO Inquirer

February 22, 2018 | tealeaf

Our previous post showed an interactive map of UFO sightings drawn from the NUFORC dataset. Whilst this did allow us to see UFO sightings over time, it remained a relatively crude tool that created a static visualisation for each year. In delving deeper into the NUFORC data, it has become... [Read more...]
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