# Streaming stddev

http://blog.manycupsofcoffee.com/2015/08/streaming-standard-deviation-and.html

http://blog.manycupsofcoffee.com/2015/08/streaming-standard-deviation-and.html

I’ve been working on a tool to perform an ANOVA test in a distributed system––the idea is that each node has a rollup of some internal statistics, but would need to compare its values with other nodes’. Given that I already had a rollup... Continue →