Donut chart

55 posts
McKinsey thinks the data world needs more dataviz talent

Note about last week: While not blogging, I delivered four lectures on three topics over five days: one on the use of data analytics in marketing for a marketing class at Temple; two on the interplay of analytics and data visualization, at Yeshiva and a JMP Webinar; and one on how to live during the Data Revolution at NYU. This week, I'm back at blogging. McKinsey publishes a report confirming...

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Plotted performance guaranteed not to predict future performance

Kaiser Fung (Junkcharts, Principal Analytics Prep) finds a chart on French financial instruments conveys a misleading message on relative returns while failing to describe the relative risks.

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The French takes back cinema but can you see it?

I like independent cinema, and here are three French films that come to mind as I write this post: Delicatessen, The Class (Entre les murs), and 8 Women (8 femmes).  The French people are taking back cinema. Even though they purchased more tickets to U.S. movies than French movies, the gap has been narrowing in the last two decades. How do I know? It's the subject of this infographic:  How do I...

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The French takes back cinema but can you see it?

Kaiser Fung (JunkCharts, Principal Analytics Prep) finds a visual design that highlights the insights from data comparing ticket sales of U.S. movies versus French movies in France.

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Saying no thanks to a box of donuts

As I reported last week, the Department of Education for Delaware is running a survey on dashboard design. The survey link is here. One of the charts being evaluated is a box of donuts, as shown below: I have written before about the problem with donut charts (see here). A box of donuts is worse than one donut. Here, each donut references a school year. The composition by race/ethnicity of...

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When design goes awry

One can't accuse the following chart of lacking design. Strong is the evidence of departing from convention but the design decisions appear wayward. (The original link on Money here)   The donut chart (right) has nine sections. Eight of the sections (excepting A) have clearly all been bent out of shape. It turns out that section A does not have the right size either. The middle gray circle is not...

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Layered donuts have excess fats and oils

Via Twitter, Nicholas S. sent this chart: It's a layered donut. There isn't much context here except that the chart comes from USDA. Judging from the design, I surmise that the key message is the change in proportion by food groups between 1970 and 2014. I am assuming that these food groups are exhaustive so that it makes sense to put them in a donut chart, with all pieces adding...

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