Blog Archives

Lesser known dplyr 0.7* tricks

This blog post is an update to an older one I wrote in March. In the post from March, dplyr was at version 0.50, but since then a major update introduced some changes that make some of the tips in that post obsolete. So here I revisit the blog post from March by using dplyr 0.70. Create new columns with...

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Lesser known dplyr 0.7* tricks

This blog post is an update to an older one I wrote in March. In the post from March, dplyr was at version 0.50, but since then a major update introduced some changes that make some of the tips in that post obsolete. So here I revisit the blog post from March by using dplyr 0.70. Create new columns with...

Read more »

Make ggplot2 purrr

Make ggplot2 purrr

I’ll be honest: the title is a bit misleading. I will not use purrr that much in this blog post. Actually, I will use one single purrr function, at the very end. I use dplyr much more. However Make ggplot2 purrr sounds better than Make ggplot dplyr or whatever the verb for dplyr would be. Also, this blog post was...

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Make ggplot2 purrr

Make ggplot2 purrr

Update: I’ve included another way of saving a separate plot by group in this article, as pointed out by @monitus. Actually, this is the preferred solution; using dplyr::do() is deprecated, according to Hadley Wickham himself. I’ll be honest: the title is a bit misleading. I will not use purrr that much in this blog post. Actually, I will use one...

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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 find also useful. I blogged about some of these functions, so if you follow my blog you might already be familiar with some of them. It is not on CRAN and might...

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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 find also useful. I blogged about some of these functions, so if you follow my blog you might already be familiar with some of them. It is not on CRAN and might...

Read more »

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

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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 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

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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