TWTee Wanjiruinsuperstore.hashnode.dev·Apr 21 · 8 min readWhat 10,000 Sales Transactions Taught Me About Discounting, Profit and Regional PerformanceIntroduction As part of building my data analyst portfolio, I recently completed an end-to-end sales analysis project using Microsoft Excel, SQL, and Tableau. The dataset — a US-based superstore with 00
TWTee Wanjiruinpric.hashnode.dev·Apr 21 · 8 min readWhat 10,000 Sales Transactions Taught Me About Discounting, Profit and Regional PerformanceIntroduction As part of building my data analyst portfolio, I recently completed an end-to-end sales analysis project using Microsoft Excel, SQL, and Tableau. The dataset — a US-based superstore with 00
TWTee Wanjiruinpric.hashnode.dev·Apr 20 · 11 min readDoes Price Drive Customer Satisfaction? I Analyzed 171,000 Reviews to Find OutProblem Statement E-commerce businesses operate on an assumption so common it is rarely questioned: charge more, deliver more. The logic feels intuitive — premium pricing signals premium quality, and 00
TWTee Wanjiruintesskamau.hashnode.dev·Mar 3 · 21 min read Hospitals Are Penalised Every Time a Diabetic Patient Comes Back. I Built the Model That Predicts Who Will.Table of Contents The Problem Nobody Talks About The Dataset Why Accuracy Is a Trap Data Cleaning: Building a Trustworthy Foundation Exploratory Data Analysis: What the Data Tells Us Feature Eng00
TWTee Wanjiruinradiant-diagnostics-buddy.hashnode.dev·Feb 5 · 7 min readRadiant Diagnostics BuddyProblem Statement Radiant Diagnostics Buddy is a multi‑modal deep learning system developed to assist radiologists in detecting thoracic pathologies from chest X‑ray images while incorporating essential clinical metadata. The project addresses a real...00
