In last week’s blog post I asked How much data science do you actually remember? It’s a critical question. If you study data science, but forget everything that you learn, you’ll be in big trouble when you go in for an interview. Or, you’ll be in ... [Read more...]

In November, the new simple features package for R sf hit CRAN. The package is like rgdal, sp, and rgeos rolled into one, is much faster, and allows for data processing with dplyr verbs! Also, as sf objects are represented in a much simpler way than sp objects, it allows ... [Read more...]

In November, the new simple features package for R sf hit CRAN. The package is like rgdal, sp, and rgeos rolled into one, is much faster, and allows for data processing with dplyr verbs! Also, as sf objects are represented in a much simpler way than sp objects, it allows ... [Read more...]

I followed my good resolutions on practising data analysis in my previous post and started to play with the French drug database. After importing the data, I started classically with data visualisation. In this database, there is a lot of text data. To visualise this, some wordcloud is always welcome. ... [Read more...]

A personal journey in actuarial forecasting... Continue reading → [Read more...]

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Bayesian Inference is a way of combining information from data with things we think we already know. For example, if we wanted to get an estimate of the mean height of people, we could use our prior knowledge that people are generally between 5 and 6 feet tall to inform the results ... [Read more...]

Descriptive Analytics is the examination of data or content, usually manually performed, to answer the question “What happened?”. In order to be able to solve this set of exercises you should have solved the part 0, part 1, part 2,part 3, and part 4 of this series but also you should run this script ... [Read more...]

ADD CONTROL WIDGETS Welcome to the third part of our series. In this part you will learn how to build and place inside your app the rest of the widgets which were mentioned in part 2. More specifically we will analyze: 1) helptext, 2) numericInput, 3) radioButtons, 4) selectInput, 5) sliderInput and 6) textInput. As […] [Read more...]

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Data on the shadow economy? I’m reading Kenneth Rogoff’s The Curse of Cash. It was one of Bloomberg’s Best Books of 2016 and the Financial Times’ Best Economics Books of 2016, and I recommend it. It’s an excellent and convincing book, makin... [Read more...]

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The R code for this tutorial on Methods of Distributional Semantics in R is found in the respective GitHub repository. Following my Methods of Distributional Semantics in R BelgradeR Meetup with Data Science Serbia, organized in Startit Center, Belgrade, 11/30/2016, several people asked me for the R code used for the ... [Read more...]

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A brand new anytime package just arrived at CRAN. This is release number eight, evenly spread with over two per month, since the initial release in September. Needless to say I have been told off not to make this many releases. As they say, no good deed goes unpunished. anytime ... [Read more...]

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The book I’ve been working on these pasts months (you can read about it here, and read it for free here) is now available on Leanpub! You can grab a copy and read it on your ebook reader or on your computer, and what’s even better is that ... [Read more...]

I’m currently writing a book as a hobby. It’s titled Functional programming and unit testing for data munging with R and you can get it for free here. You can also read it online for free on my webpage What’s the book about? Here’s the teaser ... [Read more...]

The book I’ve been working on these pasts months (you can read about it here, and read it for free here) is now available on Leanpub! You can grab a copy and read it on your ebook reader or on your computer, and what’s even better is that ... [Read more...]