Blog.

Visualization.

Custom sankey diagrams Creating Custom Sankey Diagrams Using R
29 March 2017 | by Tim Bock

I have previously shown how Sankey diagrams can easily be used to visualize response patterns in surveys and to display decision trees. Following on from these posts, I will now be getting a bit more technical,…

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Sankey diagram for analyzing survey routings, skips, filters, and response patterns Visualize Response Patterns and Survey Flow Using Sankey Diagrams
29 March 2017 | by Tim Bock

If you have spent much time analyzing survey data, then you have probably spent a lot of time validating it. This normally entails checking that the number of people answering the different questions in a survey make sense. Where…

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Heatmap Making Your Data Hot: Heatmaps for the Display of Large Tables
22 March 2017 | by Tim Bock

  Sometimes tables are just too big to read. The table below shows the personality attributes that people associate with different iconic brands. A table too big to read easily and too big to show…

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It Is Not the Size That Counts: Small Visualizations Are Preferable to Large Visualizations
16 March 2017 | by Tim Bock

All else being equal, small visualizations are better than big visualizations. There is no need to take my word for it. You can prove it to yourself with a simple experiment. Once you have finished…

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pie for pi day A Pie Chart for Pi Day: The Data Scientist Pie Eating Challenge
14 March 2017 | by Tim Bock

Today is national pi day. The number, not the food. As mentioned in a previous post, I love pie charts. And, as luck would have it, I recently chanced upon some data in need of a pie chart. Surprisingly, the…

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Sankey diagram of a decision tree (classification and regression tree) Sankey Diagrams: A Better Way to Visualize Decision Trees
13 March 2017 | by Tim Bock

  I used to think that Sankey diagrams were just one of those cool visualizations that look amazing at first, but then don’t turn out to be useful for any real-world problems. I am happy…

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nested pie chart Why Pie Charts Are Better Than Bar Charts
07 March 2017 | by Tim Bock

Ok, ok, this blog’s title would be a bit more accurate if the word “often” appeared in the title.  In my defense, all the anti-pie chart trolling provoked me! Troll HQ, Wikipedia, writes “Statisticians generally…

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Text Analysis: Predicting Engagement from Tweets
27 February 2017 | by Chris Facer

Why do some tweets sizzle while others fizzle? Sometimes it’s obvious. But if you have a large quantity of tweet text, or other text for that matter, it can be tricky and time-consuming to trawl…

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Using Text Analytics to Tidy a Word Cloud
27 February 2017 | by Tim Bock

It is common when people create word clouds that they want more control. Limit the word cloud to frequently occurring words. Join together words in phrases. Automatically group together words that have the same meaning. The trick…

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Displayr: The Best Tool for Creating a Word Cloud
27 February 2017 | by Tim Bock

A long time ago, in a galaxy far, far, away, Tom Cruise jumped over a couch and landed on everybody else’s nose. Most people seem to have forgiven him, but at the time, he was…

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Engaging Visualization The 5 Second Rule and the Need to Create Instantly Recognizable Visualizations
16 February 2017 | by Tim Bock
Most people are busy. Many are bored. Designers take the view that they have a small amount of time, perhaps 5 seconds, to engage the viewer. They believe that if they fail, the viewer will...

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heatmap 2 Rules for Coloring Heatmaps so That Nobody Gets Burnt
15 February 2017 | by Tim Bock

The other day, my local paper showed what it called a “photo” of Hurricane Matthew. This heatmap achieves one of the core jobs of visualization: it attracts attention. However, it does so at too high a cost…

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