papizee.hashnode.devWeek 18: My Model Got 100% Again — And This Time I Didn't CelebrateLast week, I got my first real taste of classification algorithms. I worked through K-Nearest Neighbours (KNN), Support Vector Machines (SVM), and Naive Bayes — three very different approaches to the same core problem: teaching a computer to sort thi...4d ago·15 min read
papizee.hashnode.devLearning Machine Learning the Right Way: From Raw Data to Business DecisionsAs I continue my data science and machine learning learning journey, I’ve come to realize something important: building models is the easy part, understanding data and translating predictions into decisions is the real skill. Over the past few projec...Feb 2·6 min read
papizee.hashnode.devMy Week 15 Journey: Regression Models & Predictive AnalyticsWeek 15 was a major turning point in my machine learning journey. I moved beyond theory and applied multiple regression techniques to real datasets, learning not just how models work, but when and why to use them. In this article, I document what I l...Jan 14·4 min read
papizee.hashnode.devFrom Data Preprocessing to Predicting House Prices with Linear RegressionThis week was a consolidation week that brought together some of the most important foundations in data science: data preprocessing, linear regression, and model optimization. Rather than learning these concepts in isolation, the week focused on appl...Dec 26, 2025·5 min read
papizee.hashnode.devFrom Learning Web Scraping to Analyzing Nigeria’s Oil ProductionThis week at Dataraflow was all about Web scrapping.Web scraping has always intrigued me. The idea of automatically extracting structured data from websites opens countless possibilities from financial analysis to market research and even social insi...Dec 16, 2025·4 min read