Jun 19, 2026
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One Point Eight Metres Where the Ice Left Clay
Seismic Refraction MappingStruck a steel plate with a sledgehammer to find out what the Victorians buried under my garage. The answer is clay. Lots of clay.
code-a-day
Finding the Breakpoint in Travel Time Data
Segmented Linear Regression 🔗 Seismic Refraction MappingWhen your data has two slopes, you need to find where one line becomes another—automatically.