100 posts
Marketers want millennials to know they’re millennials

When I posted about the lack of a standard definition of "millennials", Dean Eckles tweeted about the arbitrary division of age into generational categories. His view is further reinforced by the following chart, courtesy of PewResearch by way of Pew asked people what generation they belong to. The amount of people who fail to place themselves in the right category is remarkable. One way to interpret this finding is...

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Light entertainment: people of color

What colors do the "average" person like the most and the least? The following chart found here (Scott Design) tells you favorite and least favorite colors by age groups: (This is one of a series of charts. A total of 10 colors is covered by the survey. The same color can appear in both favorites and least favorites since these are aggregate proportions. Almost 40% of the respondents are under...

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Fall foliage colors mapped

For The Washington Post, Lauren Tierney and Joe Fox mapped fall foliage colors across the United States: Forested areas in the United States host a variety of tree species. The evergreens shed leaves gradually, as promised in their name. The leaves of deciduous varieties change from green to yellow, orange or red before letting go entirely. Using USDA forest species data, we mapped the thickets of fall colors you may...

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The time of bird seeds and chart tuneups

The recent post about multi-national companies reminded me of an older post, in which I stepped through data table enhancements. Here is a video of the process. You can use any tool to implement the steps; even Excel is good enough.     The video is part of a series called "Data science: the Missing Pieces". In these episodes, I cover the parts of data science that are between the...

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Pulling the multi-national story out, step by step

Reader Aleksander B. found this Economist chart difficult to understand. Given the chart title, the reader is looking for a story about multinationals producing lower return on equity than local firms. The first item displayed indicates that multinationals out-performed local firms in the technology sector. The pie charts on the right column provide additional information about the share of each sector by the type of firms. Is there a correlation...

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Tennis greats at the top of their game

The following chart of world No. 1 tennis players looks pretty but the payoff of spending time to understand it isn't high enough. The light colors against the tennis net backdrop don't work as intended. The annotation is well done, and it's always neat to tug a legend inside the text. The original is found at Tableau Public (link). The topic of the analysis appears to be the ages at...

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✚ Straying from the Blue-Pink Color Scheme to Represent Gender in Visualization (The Process #55)

The blue and pink color scheme for boys and girls, respectively, used to be the norm. Now, not so much. Read More

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As Dorian confounds meteorologists, we keep our minds clear on hurricane graphics, and discover correlation as our friend

As Hurricane Dorian threatens the southeastern coast of the U.S., forecasters are fretting about the lack of consensus among various predictive models used to predict the storm’s trajectory. The uncertainty of these models, as reflected in graphical displays, has been a controversial issue in the visualization community for some time. Let’s start by reviewing a visual design that has captured meteorologists in recent years, something known as the cone map....

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Water stress served two ways

Via Alberto Cairo (whose new book How Charts Lie can be pre-ordered!), I found the Water Stress data visualization by the Washington Post. (link) The main interest here is how they visualized the different levels of water stress across the U.S. Water stress is some metric defined by the Water Resources Institute that, to my mind, measures the demand versus supply of water. The higher the water stress, the higher...

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Women workers taken for a loop or four

I was drawn to the following chart in Business Insider because of the calendar metaphor. (The accompanying article is here.) Sometimes, the calendar helps readers grasp concepts faster but I'm afraid the usage here slows us down. The underlying data consist of just four numbers: the wage gaps between race and gender in the U.S., considered simply from an aggregate median personal income perspective. The analyst adopts the median annual...

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