Data Analysis for ML/AI
GroupBy, aggregation, and pivots
Split-apply-combine: aggregations, transforms, pivot tables.
5 lessons
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Lessons in sequence
Work through these in order—each lesson builds on the previous one.
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Lesson 1 of 5
Split-apply-combine: groupby fundamentals
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Lesson 2 of 5
Named aggregations and multi-metric reports
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Lesson 3 of 5
Pivot and unpivot: reshaping for analysis
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Lesson 4 of 5
Window functions: rolling, lag, rank
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Lesson 5 of 5
Groupby pitfalls and performance