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Line Chart

✓ Published0🌍 Public
PPatrickhCahill
Last edited Apr 18, 2022
Created on Apr 18, 2022

This line chart shows groundwater monitoring data from two EPA wells at Bog of the Ring, plotting water levels over time with an optional linear regression trendline. The visualization uses a linked-brush interaction, where selecting a date range in the smaller brush chart filters the main chart's time axis. Built with D3 v5, it employs `brushX` for brushing, `scaleTime` and `scaleLinear` for axes, and `nest` to group data by well. Data is loaded from CSV files using D3's `csv` function, and the regression calculation uses `leastSquares` from the custom `Regression` module.

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MIT Licensed

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