Data Science Posts
- Thoughts on validating model accuracy 2 Jul, 2021 (data)
- Supervised and Unsupervised ML interplay 18 May, 2021 (data)
- Statistical Significance test using Permutation 17 Mar, 2021 (data, montecarlo)
- Evolution of metrics for the social media era 18 Feb, 2021 (data)
- Diff Patterns for Root Cause Analysis 18 Feb, 2021 (data)
- Precision, Recall and the Fbeta-measure 6 Aug, 2020 (data)
- OKRs - Objectives and Key Results 6 Jul, 2020 (data)
- Lump sum versus dollar-cost average investing 11 Jun, 2020 (data)
- Trading Backtesting function 10 Jun, 2020 (data)
- T is for Table 8 Jun, 2020 (data)
- Cohorts Machine 11 Jun, 2018 (data)
- Statistical Significance 16 May, 2018 (data)
- Social Network Analysis 19 Apr, 2018 (data)
- Regular Business Reporting 21 Oct, 2017 (data)
- User Retention and the Aha! moment 13 Apr, 2016 (data)
- Setting Goals, Planning and Executing 7 Mar, 2016 (data)
- User Lifecycle Analytics Framework 2 Mar, 2016 (data)
- Testing an Hypothesis 1 Mar, 2016 (data)
- Impact Evaluation 15 Feb, 2016 (data)
- Government should do AB testing 19 Jan, 2016 (data, idea)
- Data Granularity 19 Jan, 2016 (data, idea)
- Duplication (a.k.a. overcounting) in Segmented data 15 Nov, 2015 (data)
- Data Science in a Business 15 Nov, 2015 (data)
- Data in a Business 1 Nov, 2015 (data)
- Data Dashboard in Practice 25 Oct, 2015 (data)
- Users Flow Diagrams 19 Jul, 2015 (data, visualization)
- Facts Anchors 19 Jul, 2015 (data)
- Clickstream Analysis 19 Jul, 2015 (data, clistream)
- A/B test with Clickstream data 16 Jul, 2015 (data, ab-testing)
- Time in PC 15 Jul, 2015 (data, project)
- Data Quality Control 15 Jul, 2015 (data)
- The Average of Averages is a No No 15 Jul, 2015 (data, statistics)
- Excel Macros 19 May, 2015 (project, data)
- Data Tracking and Collection 14 Oct, 2014 (data)
- Data Analysis Skill Set 7 Oct, 2014 (data)
- Data Analysis Mindset 30 Jul, 2014 (data)
- Segment, segment, segment 15 Jul, 2014 (data)
- Statistical Tools in Excel 3 Jul, 2014 (data, project)
- Storytelling and Presenting 26 Jun, 2014 (data, presenting)
- Arguments, tools and patterns of reasoning 25 Jun, 2014 (data, arguments)
- Relative to (instead of) Absolute 24 Jun, 2014 (data)
- Data Analysis Process 24 Jun, 2014 (data, arguments)
- Data Analysis Techniques 8 Apr, 2014 (statistics, data)
- Web Analytics Dictionary 2 Mar, 2014 (web analytics, python, data, project)
- Data Visualization and Presentation techniques 20 Jun, 2013 (statistics, data)
- Data Analysis Introduction 25 Mar, 2013 (statistics, data)
- Data Processing Techniques 9 Nov, 2012 (data, statistics)
- How to get into the Semantic Web 11 Jan, 2012 (data, semanticweb)
- Data, Data, Data! 18 Dec, 2011 (data, semanticweb, idea)
- Table.query 14 Oct, 2011 (data, ruby, SQL, project)
- Monitoring Productivity II - the Others 30 Sep, 2011 (data, productivity, statistics, R, project)
- Dashboards Toolkit 24 May, 2011 (data, visualization, ruby, dashboard, javascript, project)
- Who Chats the Most? 28 Apr, 2011 (data, visualization, statistics, ruby, project)
- Machine Learning Ex5.2 - Regularized Logistic Regression 20 Mar, 2011 (machinelearning, R, statistics, project, data)
- Machine Learning Ex5.1 - Regularized Linear Regression 18 Mar, 2011 (machinelearning, R, statistics, project, data)
- Machine Learning Ex4 - Logistic Regression 16 Mar, 2011 (machinelearning, R, statistics, project, data)
- Machine Learning Ex3 - Multivariate Linear Regression 8 Mar, 2011 (machinelearning, R, statistics, project, data)
- Weight Loss Predictor 5 Feb, 2011 (data, R, health, montecarlo, statistics, visualization)
- Monitoring Productivity Experiment 20 Oct, 2010 (data, productivity, statistics, visualization, emacs, R)
- AB testing tools in the Future 16 Mar, 2010 (data, abtesting, idea)
- Probability simulation of basketball throws 27 Aug, 2009 (montecarlo, statistics, clojure, data)
- Visualizing Data, with Processing and JRuby 14 Jan, 2008 (data, project, visualization, statistics, ruby)