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All but significant trends
Fitted lines are useful as first order approximations, but it’s often useful to look a little deeper. In the process of exploring a paper’s time trends, I found an unexpected data processing issue.
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Warming stripes by latitude
Trying to adapt the warming stripes graphic with latitude bands, with a detour to import NetCDF data on an equally-spaced global grid.
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Deep Wordle
Like many programmers, I’ve had fun writing code to explore optimal guessing strategies for the online game Wordle. How many guesses are needed for any starting word?
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Regression with a ranged interval variable
How reproducible are studies with shared data? I collect one more data point in a quest for the answer, and make a side exploration into a linear regression conundrum.
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Case study on wide scales
Five alternatives to a broken axis scale for data visualization’s wide scale problem, and a broken line chart tip.
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Danger of quadratic extrapolation
Any investigation into small R² values leads to a different finding about extrapolation.
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Smoothing Star Trek gender ratios
A study of gender balance in Star Trek dialog leads to an adventure in data cleaning and a smoothing revelation.
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Reservoir status maps
Where a more realistic (skeuomorphic) data encoding is less accurate to read.
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Mapping Choices
A study of a map of wine consumption reveals many underlying choices, both cosmetic and substantive.
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Anscombe’s Quartet Escapee
When a linear fit doesn’t look right, should we use it anyway? Let’s not — here are some alternatives.