observablehq / observablehq/plot
data decimation transform
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@Fil is already working on this.
Since Jun 21, 2023.
enhancement
- Dominant language
- HTML
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Description
A transform to decimate (sample) data, by filtering the index.
Possible strategies:
- % sample, not smart but easy to understand
- lttb (ref. https://skemman.is/bitstream/1946/15343/3/SS_MSthesis.pdf); adaptive binning.
- M4 (as seen in mosaic), binning.
In practice we probably don't need all the methods; having one by default would be enough. M4 is easy to implement.
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