A fast method to add annotations to a plot

March 28, 2017
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A fast method to add annotations to a plot

A fast method to add annotations to a plot Making professional looking plots in R can be fiddly. One task that I often spend ages doing is manually finding coordinates to add labels. Wouldn’t it be nice if you could just send the coordinates directl...

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Understanding Linear SVM with R

March 28, 2017
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Understanding Linear SVM with R

Linear Support Vector Machine or linear-SVM(as it is often abbreviated), is a supervised classifier, generally used in bi-classification problem, that is the problem setting, where there are two classes....

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UK government using R to modernize reporting of official statistics

March 28, 2017
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UK government using R to modernize reporting of official statistics

Like all governments, the UK government is responsible for producing reports of official statistics on an ongoing basis. That process has traditionally been a highly manual one: extract data...

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shinyHeatmaply – a shiny app for creating interactive cluster heatmaps

March 28, 2017
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shinyHeatmaply – a shiny app for creating interactive cluster heatmaps

My friend Jonathan Sidi and I (Tal Galili) are pleased to announce the release of shinyHeatmaply (0.1.0): a new Shiny application (and Shiny gadget) for creating interactive cluster heatmaps. shinyHeatmaply is based...

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RStudio Connect 1.4.4.1

March 28, 2017
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RStudio Connect 1.4.4.1

We’re excited to announce the release of RStudio Connect: version 1.4.4.1. This release includes the ability to manage different versions of your work on RStudio Connect. Rollback / Roll...

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Reproducible Research – when your results can’t be reproduced?

Reproducible Research – when your results can’t be reproduced?

Even most sophisticated machine learning methods, most beautiful visualisations and perfect datasets can be useless if you do your research carelessly and ignore the context of your code execution....

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nanotime 0.1.2

March 28, 2017
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A new minor version of the nanotime package for working with nanosecond timestamps arrived yesterday on CRAN. nanotime uses the RcppCCTZ package for (efficient) high(er) resolution time parsing and...

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Introducing Boardgame Recommendation website built with Shiny

March 27, 2017
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My family and I love boardgames.  We are also on the lookout for new ones that would fit with the ones we already like to play.  So I decided...

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Le Monde puzzle [#1000…1025]

March 27, 2017
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Le Monde puzzle [#1000…1025]

Le Monde mathematical puzzle launched a competition to celebrate its 1000th puzzle! A fairly long-term competition as it runs over the 25 coming puzzles (and hence weeks). Starting with...

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Data science languages score highly in RedMonk rankings

March 27, 2017
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Data science languages score highly in RedMonk rankings

Redmonk have once again updated (a little later than usual) their bi-annual programming language report with their January 2017 rankings. If you haven't come across these rankings before, they...

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All-in on R⁴ : Progress [bars] on first post

March 27, 2017
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@eddelbuettel’s idea is a good one. (it’s a quick read…jump there and come back). I often wait for a complete example or new package announcement to blog something when...

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Online R (and data science) courses at Udemy for only $10 (3/27-3/31)

March 27, 2017
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udemy-november-coupon-2015

In order to get the discount, simply click choose a link below and when paying use the promo code: ENDMARCH10 Udemy is offering readers of R-bloggers access to its global online...

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How to Reach More People with your Next Data Science Talk

March 27, 2017
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How to Reach More People with your Next Data Science Talk

Speaking publicly about your data science projects is one of the best things you can do for your portfolio. Writing your presentation will help you refine... The post How...

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Data science for Doctors: Inferential Statistics Exercises (part-3)

March 27, 2017
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Data science for Doctors: Inferential Statistics Exercises (part-3)

Data science enhances people’s decision making. Doctors and researchers are making critical decisions every day. Therefore, it is absolutely necessary for those people to have some basic knowledge of...

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An Introduction to Stock Market Data Analysis with R (Part 1)

March 27, 2017
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An Introduction to Stock Market Data Analysis with R (Part 1)

This is my first article in a two-part series introducing stock data analysis using R.

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Analyzing Accupedo step count data in R: Part 2 – Adding weather data

March 27, 2017
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Analyzing Accupedo step count data in R: Part 2 – Adding weather data

In my last set of posts, I wrote about analyzing data from the Accupedo step counter app I have on my phone. In this post, I'll talk about some...

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#0: Introducing R^4

March 27, 2017
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So I had been toying with the idea of getting back to the blog and more regularly writing / posting little tips and tricks. I even starting taking...

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Introducing brotools

I’m happy to announce my first R package, called brotools. This is a package that contains functions that are specific to my needs but that you might...

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Fitting Bayesian Linear Mixed Models for continuous and binary data using Stan: A quick tutorial

March 27, 2017
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I want to give a quick tutorial on fitting Linear Mixed Models (hierarchical models) with a full variance-covariance matrix for random effects (what Barr et al 2013 call...

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Updated Shiny app

March 26, 2017
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A short post to alert the world that my modest Shiny application, showing Major League Baseball run scoring trends since 1901, has been updated to include the 2016 season....

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Le Monde puzzle [#1001]

March 26, 2017
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Le Monde puzzle [#1001]

After a long lag (due to my missing the free copies distributed at Paris-Dauphine!), here is a Sudoku-like Le Monde mathematical puzzle: A grid of size (n,n) holds integer...

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RcppTOML 0.1.2

March 26, 2017
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A new release of RcppTOML is now on CRAN. This release fixes a few parsing issues for less frequently-used inputs: vectors of boolean or date(time) types, as...

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Economics chapter added to “Empirical software engineering using R”

March 26, 2017
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The Economics chapter of my Empirical software engineering book has been added to the draft pdf (download here). This is a slim chapter, it might grow a bit, but...

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Using R to study the Yemen Conflict with night light images

March 26, 2017
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Using R to study the Yemen Conflict with night light images

The Yemeni civil war has received very little attention despite the growing humanitarian disaster. There is a lack of reliable figures on the extent of the human suffering in...

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New book and package pmfdR

March 26, 2017
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Processing and modelling financial data with R - ...

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More book, more cricket! 2nd edition of my books now on Amazon

March 25, 2017
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More book, more cricket! 2nd edition of my  books now on Amazon

The 2nd edition of both my books a) Cricket analytics with cricketr b) Beaten by sheer pace – Cricket analytics with yorkr is now available on Amazon, both as...

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R<-Slovakia meetup started to build community in Bratislava

March 25, 2017
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R<-Slovakia meetup started to build community in Bratislava

On 22. March a first special R related meetup called R<-Slovakia took place. As the name of the meetup group implies, it is based in Slovakia, in its capital...

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R&lt;-Slovakia meetup started to build community in Bratislava

March 25, 2017
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R&lt;-Slovakia meetup started to build community in Bratislava

On 22. March a first special R related meetup called R<-Slovakia took place. As the name of the meetup group implies, it is based in Slovakia, in its capital...

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RApiDatetime 0.0.2

March 25, 2017
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Two days after the initial 0.0.1 release, a new version of RApiDatetime has just arrived on CRAN. RApiDatetime provides six entry points for C-level functions of the R API...

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