Excel now supports IMPORTTEXT and IMPORTCSV functions that load external text and CSV files as dynamic arrays, making it ...
ott-retention-cohort-analysis/ │ ├── 📂 sql/ │ ├── cohort_analysis.sql # Monthly cohort breakdown │ ├── retention_metrics.sql # D1, D7, D30 retention calculations │ └── churn_analysis.sql # Identify & ...
A high-performance Python tool for processing large NPI (National Provider Identifier) healthcare provider CSV files to extract and filter nurse records. Designed to efficiently handle very large ...