--- title: "Ahamad Tawsif Chowdhury (@ahamad) | Hashnode" description: "Developer in progress. Read the latest articles by Ahamad Tawsif Chowdhury on Hashnode." url: "https://hashnode.com/@ahamad" --- @ahamad # Ahamad Tawsif Chowdhury @ahamad · Joined February 2025 Developer in progress ### [A Supply Chain Analytics Journey: Data Ingestion and Preparation with Python](https://ahamad.hashnode.dev/a-supply-chain-analytics-journey-data-ingestion-and-preparation-with-python?utm_source=hashnode&utm_medium=feed) https://github.com/ahamadc/Supply-Chain-Optimisation This project is an end-to-end solution that leverages MySQL, Python and Power BI to tackle a real-world supply chain problem. Using a dataset from Kaggle that includes various tables with historica... 3 min read · [ahamad.hashnode.dev](https://ahamad.hashnode.dev/a-supply-chain-analytics-journey-data-ingestion-and-preparation-with-python?utm_source=hashnode&utm_medium=feed) [1](https://hashnode.com/posts/a-supply-chain-analytics-journey-data-ingestion-and-preparation-with-python/67f51929930215c28b140393) [Apr 8, 2025](https://hashnode.com/posts/a-supply-chain-analytics-journey-data-ingestion-and-preparation-with-python/67f51929930215c28b140393) ### [Analysing Thalassemia Blood Test Results with Power BI](https://ahamad.hashnode.dev/analysing-thalassemia-blood-test-results-with-power-bi?utm_source=hashnode&utm_medium=feed) Download Power BI file from GitHub. 1. Project Overview Thalassemia is a group of inherited blood disorders that affect the body’s ability to produce hemoglobin, a protein in red blood cells that carries oxygen. Individuals with Thalassemia may exper... 4 min read · [ahamad.hashnode.dev](https://ahamad.hashnode.dev/analysing-thalassemia-blood-test-results-with-power-bi?utm_source=hashnode&utm_medium=feed) [Apr 4, 2025](https://hashnode.com/posts/analysing-thalassemia-blood-test-results-with-power-bi/67eff5bddaa98d5d833658ff) ### [DAX Explained for Beginners: Going Beyond the Power BI UI](https://ahamad.hashnode.dev/dax-explained-for-beginners-going-beyond-the-power-bi-ui?utm_source=hashnode&utm_medium=feed) Data Analysis Expressions (DAX) is a formula language used in Power BI that gives you more controlled calculations than the standard UI. While the UI provides pre-built functions, DAX provides more advanced data analysis and modelling. The Power BI U... 2 min read · [ahamad.hashnode.dev](https://ahamad.hashnode.dev/dax-explained-for-beginners-going-beyond-the-power-bi-ui?utm_source=hashnode&utm_medium=feed) [Mar 23, 2025](https://hashnode.com/posts/dax-explained-for-beginners-going-beyond-the-power-bi-ui/67e02d0cbc76fe0dc4a578bf) ### [Power BI: Performance Optimisation and Query Folding](https://ahamad.hashnode.dev/power-bi-performance-optimisation-and-query-folding?utm_source=hashnode&utm_medium=feed) Optimising Power Query performance is important when handling large datasets and it can turn a working data transformation into a swift and efficient one. By focusing on Query folding, minimising resource-intensive operations, and writing efficient M... 2 min read · [ahamad.hashnode.dev](https://ahamad.hashnode.dev/power-bi-performance-optimisation-and-query-folding?utm_source=hashnode&utm_medium=feed) [Mar 23, 2025](https://hashnode.com/posts/power-bi-performance-optimisation-and-query-folding/67e00de398185d29627e9b78) ### [Power BI: Parameters vs Slicers](https://ahamad.hashnode.dev/power-bi-parameters-vs-slicers?utm_source=hashnode&utm_medium=feed) If you’ve been using Power BI for a while but are new to M code, then you might have come across something called parameters which may seem similar to slicers from Power BI dashboard design tools. They do have some overlapping similarity but they fun... 2 min read · [ahamad.hashnode.dev](https://ahamad.hashnode.dev/power-bi-parameters-vs-slicers?utm_source=hashnode&utm_medium=feed) [Mar 20, 2025](https://hashnode.com/posts/power-bi-parameters-vs-slicers/67dc07a91e8db1d9d6977a49)