📰 Dev.to · I Want To Learn Programming
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Dev.to · I Want To Learn Programming
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1mo ago
Expected goals (xG) from scratch, and why the scoreboard lies
Argentina lost their 2022 World Cup opener to Saudi Arabia, and everyone said Saudi were the better side. They weren't, not even close, and one number proves it
Dev.to · I Want To Learn Programming
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
2mo ago
Data science portfolio projects that are not toy notebooks
A Titanic notebook will not get you hired. Here is what a real data science project shows, handling messy data, avoiding leakage, honest validation, and a clear
Dev.to · I Want To Learn Programming
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
2mo ago
SQL for data analysis, the 10 query patterns that matter
Most analytical SQL is a handful of repeating patterns. Master joins, group by, window functions, CTEs, cohorts, funnels, and retention, and you can answer almo
Dev.to · I Want To Learn Programming
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
2mo ago
Pandas vs SQL, when to use each
Pandas and SQL overlap a lot, so which should an analyst reach for? A practical comparison of where each one wins, with the same operations side by side.
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