Blog Archives

Lesser known purrr tricks

purrr is package that extends R’s functional programming capabilities. It brings a lot of new stuff to the table and in this post I show you some of the most useful (at least to me) functions included in purrr. Getting rid of loops with map() library(purrr) numbers

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Lesser known purrr tricks

purrr is a package that extends R’s functional programming capabilities. It brings a lot of new stuff to the table and in this post I show you some of the most useful (at least to me) functions included in purrr. Getting rid of loops with map() library(purrr) numbers

Read more »

Lesser known dplyr tricks

In this blog post I share some lesser-known (at least I believe they are) tricks that use mainly functions from dplyr. Removing unneeded columns Did you know that you can use - in front of a column name to remove it from a data frame? mtcars %__% select(-disp) %__% head() ## ...

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Lesser known dplyr tricks

In this blog post I share some lesser-known (at least I believe they are) tricks that use mainly functions from dplyr. Removing unneeded columns Did you know that you can use - in front of a column name to remove it from a data frame? mtcars %__% select(-disp) %__% head() ## ...

Read more »

How to use jailbreakr

February 17, 2017
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What is jailbreakr The jailbreakr package is probably one of the most interesting packages I came across recently. This package makes it possible to extract messy data from spreadsheets. What is meant by messy? I am sure you already had to deal with spreadsheets that contained little tables inside a single sheet for example. As far as I know, there...

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How to use jailbreakr

February 17, 2017
By

What is jailbreakr The jailbreakr package is probably one of the most interesting packages I came across recently. This package makes it possible to extract messy data from spreadsheets. What is meant by messy? I am sure you already had to deal with spreadsheets that contained little tables inside a single sheet for example. As far as I know, there...

Read more »

My free book has a cover!

December 23, 2016
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My free book has a cover!

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 text: Learn the basics of functional programming, unit testing and package development for the R...

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Functional programming and unit testing for data munging with R available on Leanpub

December 23, 2016
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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 it is available for free (but you can also decide to...

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Work on lists of datasets instead of individual datasets by using functional programming

December 20, 2016
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Analyzing a lot of datasets can be tedious. In my work, I often have to compute descriptive statistics, or plot some graphs for some variables for a lot of datasets. The variables in question have the same name accross the datasets but are measured for different years. As an example, imagine you have this situation: data2000

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I’ve started writing a ‘book’: Functional programming and unit testing for data munging with R

I have started writing a ‘book’ using the awesome bookdown package. In the book I explain and show why using functional programming and putting your functions in your own packages is the way to go when you want to clean, prepare and transform large data sets. It makes testing and documenting your code easier. You don’t need to think about managing...

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