From OLTP to Lakehouse : An engineering problem-solution chronicle Sep 18, 2025 Engineering Period 0 - Codd's Relational Model (1970s-1980s) In the 1960s and 1970s, as industries like banking, airlines, and retail became increasingly computerized, they faced a problem: the need for systems t... Read more
Multi-level Customer Segmentation Mar 22, 2025 Analytics & Data At its core, segmentation is about grouping entities—customers, users, transactions, or products—into meaningful clusters based on shared characteristics. Traditional segmentation often presupposes kn... analytics clustering customer segmentation customer understanding segmentation Read more
Data Science and Agile: a love-hate relationship ? Oct 6, 2024 Engineering I shall perhaps start this article by distinguishing (albeit in a broad manner) between a discipline and a philosophy. A discipline is a branch of knowledge, a field of study, or an area of expertise.... agile datascience engineering product management Read more
Class Imbalance Dec 31, 2023 Analytics & Data Introduction Class Imbalance is a common challenge in statistics and machine learning where the distribution of the target variableis skewed, resulting in several issues such as bias towards the major... analytics datascience deep learning engineering machine learning Read more
Prompt Engineering Sep 15, 2023 Engineering LLMs are sophisticated next-word predictors. An LLM looks at all the words it has been given so far, then calculates the statistical probability of what the very next word should be. This statistical ... Language-Models NLP Prompting Read more
Data Science Environment Setup Nov 7, 2022 Analytics & Data I recently had to clean and reset my DS computer and thought I’d share my version of a data science environment setup. I’ve been using this setup for many years (roughly 5 or 6 years - with tweaks and... analysts analytics datascience datascientist Read more
How We Built Our Own ML Infrastructure Jun 10, 2022 Engineering As our team’s data science projects’ scope grew, the need for streamlined pipelines and workflows grew. We moved from a collection of ad hoc initiatives to defined projects that require an architectur... dataops devops engineering infrastructure mlops Read more
Lessons Learnt As a Life-Long Student Of Engineering Feb 4, 2022 Engineering While pursuing my degree in engineering, my classmates and I would have endless discussions about what makes a good engineer. We would compare engineering curricula, between engineering fields and eng... engineering Read more
What Is Product Analysis ? Jan 14, 2022 Analytics & Data Perhaps the best way to understand product analysis is to unravel the questions that analysts try to answer through it. What is the abstract definition of the product in the context of the analysis ? ... analysts analytics product product analytics Read more
An Initial Tour Around The Product World Jan 7, 2022 Analytics & Data The world of Product is enormous, diverse, and wide-ranging of philosophies, methodologies, best practices, processes and applications. No wonder the literature on the subject is vast ! Given that thi... product product analytics product management Read more
So Many Analysts, So Little Added Value ! Dec 25, 2021 Analytics & Data “Through 2022, only 20% of analytic insights will deliver business outcomes.” - Gartner In its shocking report, Gartner outlines that roughly 80% of analytics projects will fail to deliver business ou... analysts analytics Read more