# Tutorials

Visualize your data like an expert with hundreds of practical how-tos for presentation, analysis, and understanding.

#### How to Make a Cartogram with Packed Circles in R

There are packages to make cartograms, but in some cases you might need a more flexible solution.

#### How to Make a Heatmap with Irregular Bins in R

There are existing functions and packages to make heatmaps in R, but when the data is irregular, it's worth going custom.

#### How I Made That: Network Diagrams of All the Household Types

Process the data into a usable format, which makes the visualization part more straightforward.

#### How to Make Unit-Based, Variable Width Bar Charts

In a cross between unit charts and variable width bar charts, we can show total counts and relative proportions at the same time.

#### How to Make a Smoother Animated Growth Map in R

Show change over time and geography with smooth transitions.

#### How to Animate Packed Circles in R

Pack circles, figure out the transitions between time segments, and then generate frames to string together.

#### How to Draw and Use Polygons in R

R provides functions for basic shapes, but you can also draw your own for maximum fun.

#### How to Make an Animated Donut Chart in R

There are "better" ways to show proportions over time, but sometimes you just want an animated donut.

#### How to Make Bubble Clusters in R

Represent individual counts with grouped units to make data feel less abstract.

#### How to Make Cartograms in R

While the reshaped geography doesn't work all the time, the use of size to show data can be more intuitive in some cases.

#### How to Make a Line Chart with a Color Gradient in R

Use color to reinforce or add another layer of meaning to a regular line chart.

#### How to Make UpSet Plots in R, with ggplot2 and ggupset

A more readable alternative to Venn diagrams for when you have more than a few sets.

#### A Quick and Easy Way to Make Spiral Charts in R

Now that we've discovered another way to annoy chart snobs, here's how you can make your own spirals.

#### How to Make Frequency Trails in Excel

Also known as ridgelines, use the method to create a compact visualization where you can easily identify major patterns and outliers.

#### How to Make a Custom Stacked Area Chart in R

You could use a package, but then you couldn't customize every single element, and where's the fun in that?

#### How to Make Print-ready Graphics in R, with ggplot2

You don't have to use illustration software to polish your graphics. If keeping everything in R is your thing, this tutorial is for you.

#### How to Use Packed Circles in R

Adjust coordinates, geometries, and encodings with packed circles to make various types of charts.

#### How to Make Alluvial Diagrams

Here's how to do it in R from start to finish, plus editing in illustration software. Make design choices and trade-offs for more readable charts.