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🚀 Big_Data_and_Data_Visualisation-PowerBI 🎨

Power BI Portfolio – Turning raw data into stunning, interactive stories!
Showcasing end-to-end skills in data cleaning, transformation, advanced modeling, DAX wizardry, and colorful dashboard magic. 🌟

📊 Featured Projects

🎥 Project 1: Netflix Content Analysis Dashboard 🍿

"What’s Netflix really watching us watch?" 🕵️‍♂️

  • Dataset: A massive 4,227-title Netflix catalog (2,687 movies 🎞️ + 1,540 TV shows 📺) from 2015–2020.
  • Data Magic Performed ✨:
    • Cleaned messy fields: tackled 1,538 missing directors, ~480 missing casts, and 391 missing countries 🧹
    • Parsed dates, split genres, and normalized durations (minutes vs. seasons) ⏱️
    • Transformed raw CSV into a polished analytical model with Power Query superpowers ⚡
  • Juicy Insights & Eye-Candy Visuals 🔥:
    • Explosive growth timeline of content additions 📈
    • Movies vs. TV Shows showdown 🥊
    • Top countries dominating the scene: 🇺🇸 USA, 🇮🇳 India, 🇬🇧 UK leading the pack 🌍
    • Rating breakdown – TV-MA reigns supreme 😈
    • Movie length trends & TV season counts 📏
    • Genre explosion: Comedies, Dramas, International hits, and hidden combos 🔍
  • Tools & Tricks: Power Query ETL, DAX measures, slicers that feel like Netflix browsing, vibrant cards, bar/line charts, and world maps 🌈

🍔 Project 2: Restaurant Orders Star Schema & Analytics Dashboard 🍽️

"From kitchen chaos to business brilliance" 👨‍🍳📊

  • Mission: Built a rock-solid star schema for restaurant orders to unlock lightning-fast insights ⚡
  • Modeling Mastery 🏗️:
    • Central Fact Table (Orders) surrounded by shiny Dimension Tables: Customers 👥, Menu Items 🥗, Date/Time 🗓️, Dietary Preferences 🌱, Staff & Branches 🏪
    • Perfect one-to-many relationships with full integrity ✅
    • DAX measures for averages, trends, and KPIs 💪
  • Delicious Insights Served Hot 🔥:
    • Prep time deep dive by diet type (vegan 🌿 vs. gluten-free 🚫🌾)
    • Peak rush hours and busiest days ⏰
    • Top-selling dishes and category winners 🏆
    • Dietary trends over time – is kale still king? 🥬
    • KPIs galore: average prep time, order volume, revenue breakdowns 💰
  • Tools & Tricks: Star schema design, time intelligence, drill-through pages, tooltips, conditional formatting, and color themes that pop! 🎉

These projects prove I can take messy data, sprinkle some Power BI magic, and deliver beautiful, insightful, and interactive dashboards that drive real decisions! 🚀

❤️ Support My Work & Let's Collaborate!

If these dashboards made you smile 😄, inspired your next project, or you need custom Power BI solutions – I'm here to help!

  • Buy Me a Coffee (or Data!) ☕: Donate via PayPal → [email protected]
  • Need Insights, Dashboards, or Training? 📩: Hit me up on WhatsApp → +254702896107

Your support fuels more colorful dashboards and free knowledge sharing! 🌍✨ Thank you! 🫶

About

Power BI Dashboard: Cleaned Netflix movies data for duration trends dashboard; built restaurant orders star schema with diet and prep time insights.

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