Kernel density estimation] is performed for each of the pro and con data points, and the difference in density is shown as a heat map.
This page is auto-translated from /nishio/賛成反対密度表示 using DeepL. If you looks something interesting but the auto-translated English is not good enough to understand it, feel free to let me know at @nishio_en. I’m very happy to spread my thought to non-Japanese readers.