istanbul yaşam analizi
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Aug 13, 2026 - Python
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sql-window-functions
Here are 7 public repositories matching this topic...
This repository contains a collection of SQL scripts I developed to demonstrate a range of analytical techniques, including exploratoray-data analysis, time-series analysis, cumulative analysis, performance analysis, data segmentation, and part-to-whole analysis.
data sql sql-server reporting sql-query business-intelligence data-analytics data-analysis business-analytics sql-window-functions
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Sep 18, 2026 - TSQL
An automated, high-performance ETL engine using DuckDB and advanced SQL window functions to calculate customer cohort retention and Lifetime Value (LTV) across millions of rows in milliseconds.
python data-engineering ltv cohort-analysis etl-pipeline lifetime-value analytics-engineering duckdb retention-metrics sql-window-functions
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Oct 2, 2026 - Jupyter Notebook
Workqueue analytics that replays WQ event logs with SQL window functions to measure aging and first-pass yield, and detects ping-pong claims bouncing between queues under conflicting routing rules. 1.0 precision/recall on labeled victims, 1.1M events analyzed in 7s, with a generated daily ops packet (Excel + PDF).
python sql excel event-sourcing data-analytics process-mining duckdb healthcare-analytics healthcare-it revenue-cycle-management operational-reporting sql-window-functions hospital-billing workqueue-management
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Jul 16, 2026 - Python
SQL problem-solving practice and interview solutions from LeetCode.
sql-queries sql-subqueries sql-group-by sql-joins sql-join-queries sql-aggregated-function sql-window-functions
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Oct 9, 2026
Applied MySQL to solve business problems.
mysql sql exploratory-data-analysis data-analytics data-analysis data-analyst regular-expressions data-cleaning data-quality business-analytics customer-analytics mysql-query-builder sales-analytics sql-subqueries sql-project mysql-queries retail-analytics sql-import-script sql-joins sql-window-functions
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Sep 1, 2026
The ultimate 500+ data science tricks platform by Aman Vishwakarma (BeginnerAman). Features flashcards, 10-stage Data Analyst framework & 8-stage ML pipeline.
python data-science machine-learning roadmap sql flashcards numpy scikit-learn pandas data-engineering cheatsheet data-analysis matplotlib aman av data-cleaning ak aman-vishwakarma sql-window-functions beginneraman
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Sep 23, 2026 - HTML
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