I am a results-driven Data Analyst passionate about transforming raw data into strategic business insights. My expertise lies in building predictive models, optimizing database performance, and creating interactive visual stories.
- County Budget Analysis: Comprehensive visualization of public expenditure and budget allocation trends.
- Hospital Performance Analysis: Interactive dashboard tracking patient wait times, departmental efficiency, and resource utilization.
- Crop Production Analysis: Agricultural data insights focusing on yield trends and regional production efficiency.
- Telecom Customer Churn Prediction: Identifying at-risk customers using Random Forest and Logistic Regression.
- Call Center ML Analysis: Forecasting handle times using Time-Series analysis and Regression.
- Sales Performance Statistics: Using statistical inference to drive business growth.
- Unsupervised Learning (Iris): Finding patterns in data through clustering algorithms.
- Retail Data Cleaning (Python): Automated preprocessing for messy retail datasets.
- Advanced SQL Data Cleaning: Professional-grade PostgreSQL scripts for data transformation.
Email: jlohreen@gmail.com
LinkedIn: (https://www.linkedin.com/in/joy-kyalo-807847351/)
Medium: (https://medium.com/@jlohreen)