Xiaonan LuSpeedy Transition to Apache Spark and DataFrame with Spark SQLTransitioning from small sized data wrangling, using Pandas DataFrame on a single machine, to creating cloud big data pipelines, using…Oct 1, 2020Oct 1, 2020
Xiaonan LuThe p ValueThe Classic 1900 Paper: “On the Criterion that a Given System of Deviations from the Probable in the Case of a Correlated System of…Aug 3, 2020Aug 3, 2020
Xiaonan LuKnow why it is so 知其所以然“知其然知其所以然(When you learn it is so, you need to know why it is so.)” is a common phrase teachers used to describe the philosophy/way of…Jul 1, 2020Jul 1, 2020