There are two major systems to align things in CSS. These are flexbox and grid layout. Both of them are really useful to know to have any chance to make nice websites or apps. And today we’re going to focus on flexbox. And as always, if you want...

AI bots like chatGPT and others can be used to extract information from all sorts of unstructured texts. Of course, no one want to copy and paste the text into a chat interface and then copy the result back into a text file. That’s tedious. In t...

A lot of our favorite R tools generate HTML & CSS code for us. For example, any {gt} table is really just a bunch of HTML & CSS code. Don’t believe me? Here’s a basic {gt} table. Use the web inspector to see the HTML & CSS code behind it. library(...

You can communicate with AI chatbots like chatGPT via API requests. In R, this can easily be done with the httr2 package. But a lot of chatbots have slightly different API structures so it would be great if there is a common interface for all c...

In the last installment, we learned about the web inspector of any modern web browser. This gave us insights into the structure of a website and the CSS styles that are applied to it. In today’s blog post, we want to build a little something wit...

Today, we’re talking about something that has been a mystery to me for quite some time. We are talking about APIs and how to get data from them using R. And we will do that with the help of the {httr2} package. This is quite a broad topic so ...

The web inspector of your web browser lets you take a look at the source code of any website that you want. And getting comfortable with it is a great way to learn how to write HTML and CSS. More importantly, whenever you write your own HTML &am...

In today’s blog post, we are going to create an elaborate diverging bar chart. Namely, we are going to create this plot here: As you can see in the caption of this image, this plot was originally created by the PEW Research Center. Here, we use...

I recently saw a cool LinkedIn post where it was highlighted that a dot plot is a pretty neat alternative to bar charts. While bar charts makes it easy to compare categories, dot plots put more emphasis on individual data points. I thought the i...

Correlation heat maps are pretty easy to create with {ggplot}. But there are some things you have to watch out for. For example, ggplot doesn’t use the correct colors for such a chart by default. In this blog post, I show you how to create a cor...

In this post, I will show you how to combine the two cool packages {usmap} and {ggpattern} to create US maps with patterns like this: And before we dive in, let me tell you that there’s also a video version of this blog post available. ...

library(tidyverse) In this blog post, I want to walk you through six common mistakes that beginners make with ggplot. They range from simple programming mistakes to mistakes in applying data visualization principles. So, with that said, let’s ...

In this blog post, I’ll show you how to make ggplot2 even better. To do so, we are going to look at five must-have extensions that can level up your dataviz game. This blog post is also available as a video on my YouTube channel. You can check i...

This week, I am oddly proud to announce that I have reached 1000 followers on Twitter. Check out the visualization that I have created for this joyous occasion. To me, my rising follower count and the somewhat regular mails that I receive are a sign that people like to read my ...

A standard ggplot output can rarely convey a powerful message. For effective data visualization you need to customize your plot. A couple of weeks ago, I showed you how. In this blog post, I will rebuild another great data viz from scratch. If you have read my original blog post, ...

Last week, I gave a short workshop teaching R to Economics students without prior programming experience. On Twitter, I shared six lessons that I wish I had learnt before. This blog post is a more detailed account of my experience. Additionally, I incorporated many excellent suggestions from others on Twitter ...