Largest-Triangle-Three-Buckets (LTTB) for Clojure. For more information, see the original implementation at https://github.com/sveinn-steinarsson/highcharts-downsample
The first dataset from https://github.com/sveinn-steinarsson/highcharts-downsample without downsampling (5000 points)
And sampled to 200 points
