Peak Non-Creepy Dating Pool
The percentage of people who are single declines with age. However, based on the “half-your-age-plus-seven” rule, the range of people you can date expands. Combine that with population counts and demographics, and you can find when your non-creepy dating pool peaks.
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How to Make a Dynamic Multi-population Pyramid in Excel
Create better population pyramids that allow for improved comparisons between sexes and populations.
How to Make Dot Density Maps in R
Choropleth maps are useful to show values for areas on a map, but they can be limited. In contrast, dot density maps are sometimes better for showing distributions within regions.
How I Made That: Animated Difference Charts in R
A combination of a bivariate area chart, animation, and a population pyramid, with a sprinkling of detail and annotation.
Data, R, and a 3-D Printer
We almost always look at data through a screen. It’s quick and good for exploration. So is there value in making data physical? I played around with a 3-D printer to find out.
Counting Happiness and Where it Comes From
Researchers asked 10,000 participants to list ten things that recently made them happy. I counted and connected the dots.
10 Best Data Visualization Projects of 2015
These are my picks for the best of 2015. As usual, they could easily appear in a different order on a different day, and there are projects not on the list that were also excellent.