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Day 19: Understanding Data Imbalance: Real-World Examples & Solutions
access_time 2025-01-22T13:41:03.289Z face Nerchuko
Understanding Data Imbalance: Real-World Examples & Solutions Why Balance Matters in Machine Learning What is Data Imbalance? 🤔 Imagine you're training a system to identify rare events or conditions - like fraud detection in banking. In a typical month: Normal Transactions 99,900 ✅ (99.9%) Fraudule...
Day 18: Why SQL is Crucial for Data Science Jobs
access_time 2025-01-22T13:24:46.033Z face Nerchuko
SQL in Action: Real-World Examples for Beginners Learn SQL Through Everyday Scenarios 1. Finding Top Products on Amazon 🛍️ Want to know which products are bestsellers? Here's how: SELECT product_name, price, total_sales, rating FROM products WHERE rating >= 4.0 ORDER BY total_sales DESC LIMIT 5; Th...
Day 17: EDA Like a Pro - The Movie Data Story
access_time 2025-01-16T17:03:57.939Z face Nerchuko
Day 17: EDA Like a Pro - The Movie Data Story Exploring Box Office Data Like a Film Director Plans Their Shot January 16, 2025 The Pre-Production of Data Analysis Just like how a director meticulously plans every aspect of a movie before shooting - from location scouting to costume design - data sci...
Day 16: Decoding P-Values Through Box Office Analysis
access_time 2025-01-16T17:02:02.707Z face Nerchuko
Day 16: Decoding P-Values Through Box Office Analysis Where Data Science Meets Movie Magic January 16, 2025 Luck vs. Strategy: The Box Office Question Is a movie's success just luck? Do viral Instagram posts happen by chance? When YouTube views skyrocket, is it strategy or fortune? Let's decode this...
Day 15: Mastering Hypothesis Testing in Data Science
access_time 2025-01-16T17:00:13.59Z face Nerchuko
Day 15: Mastering Hypothesis Testing in Data Science From Biryani Preferences to Business Decisions: A Complete Guide to Statistical Testing January 16, 2025 Understanding Hypothesis Testing Hypothesis testing is a statistical method used to make decisions about populations based on sample data. Thi...