Thanks! I changed the algorithm to online variance, hope it is more stable: https://github.com/nferraz/st/commit/d0fb1bf814fc5940c5aae39a2f89c77802d68f93 https

Thanks! I changed the algorithm to online variance, hope it is more stable: https://github.com/nferraz/st/commit/d0fb1bf814fc5940c5aae39a2f89c77802d68f93 https://github.com/nferraz/st/commit/d0fb1bf814fc5940c5aae39...