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Programming Languages Python (Pandas, NumPy) R (dplyr, tidyr) SQL (Data transformations) V. FEATURE ENGINEERING & DATA ANALYSIS Methods Dimensionality reduction (PCA, t-SNE, Autoencoders) Feature ...
III. DATA STORAGE & MANAGEMENT Concepts • OLTP vs OLAP (Transactional vs Analytical Databases) • Data Warehousing (Star Schema, Snowflake Schema) • Data Lakes vs Lakehouses (Raw vs Processed Data) 🔧 ...
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