Data Engineering & ML Project — end-to-end analysis of a telecom customer base to identify churn patterns and root causes, using Python (Pandas, NumPy), SQL-based customer segmentation, and Matplotlib ...
SUM(CASE WHEN flagCode IS NULL THEN 1 ELSE 0 END) AS missing_flag_codes, SUM(CASE WHEN GlobalPeaceIndex_2026 IS NULL THEN 1 ELSE 0 END) AS missing_gpi_2026, SUM(CASE WHEN GlobalTerrorismIndex_2025 IS ...
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