Yu ZhouinTowards Data ScienceMy Tricks for Spark Performance OptimizationSpark performance tuning is the biggest pain point for serious data work, here are my tricks help you improve your Spark easily and quicklyDec 25, 20203Dec 25, 20203
Yu ZhouinTowards Data ScienceDecision Making Is More Than Quantitative Problem Solving“All my best decisions in life and work have been made with heart, intuition, courage and not analysis.” — Jeff Bezos at Economic Club of…Apr 22, 2019Apr 22, 2019
Yu ZhouinTowards Data ScienceFilter, Aggregate and Join in Pandas, Tidyverse, Pyspark and SQLOn the Blessing and Curse of Language Abundance in Data ScienceNov 19, 2018Nov 19, 2018
Yu ZhouinTowards Data ScienceData Storytelling: improve insight-to-action conversion for a greater real world impactA Gap Between Data Science Results and Real World ImpactJun 17, 201810Jun 17, 201810
Yu ZhouinTowards Data ScienceData Pipeline Engineering Towards High Data AvailabilityExtracting insights and making predictions from data are my primary goals, however, before I can get value from data, I first need to…Apr 25, 2018Apr 25, 2018
Yu ZhouinTowards Data ScienceBuild Data Science Center of Excellence to Manage the Complete Model Life CycleThis wave of data technology revolution remains strong and companies of various sizes are actively building/expanding their Data Science…Mar 17, 2018Mar 17, 2018
Yu ZhouinTowards Data ScienceQuery Data Effectively in Hadoop to Feed Your Hungry Data Science IdeasBig data at my company was getting bigger and Hadoop was a very hot topic in 2015, following the trend my company decided to migrate from…Feb 17, 20181Feb 17, 20181
Yu ZhouTowards Intelligence CraftsmanshipIn 2017, I spent most of my time in analyzing business data to support decision-making and building predictive models to either create or…Dec 28, 2017Dec 28, 2017
Yu ZhouinTowards Data ScienceLean Dashboards: Data Inclusion & Exclusion PrinciplesDashboards bring data and visualization to users in an interactive fashion and hence get a lot of likes and popularity. To keep dashboards…Oct 28, 20171Oct 28, 20171
Yu ZhouPlay in Everyone’s BackyardIn a given scientific paper, including the standard sections such as background, data, methodology, analysis and conclusion, which section…Sep 13, 20171Sep 13, 20171