SQL
Airline passenger satisfaction analysis.
Hi, my name is Samuel Effiom,
welcome to my portfolio.
I am data analyst who builds clarity into complex decisions. I specialize in turning raw data into insights that drive financial outcomes, streamline operations, and support strategic moves across industries like logistics, finance, and healthcare. From optimizing fleet operations at a logistics startup to developing investor-facing dashboards and compliance audits at a health-tech startup, my work is shaped by impact, precision, and a strong command of tools needed to turn data into actionable insights.
Python
MSc Project: Evaluating the Impact of Graph Construction Methods on the Performance of Graph Neural Networks and Transformers for Fraud Detection in Financial Transactions..
Python
Electric vehicle adoption analysis for business decision-making.
SQL
Cyclistic bike customer analysis for business marketing.
SQL
Exploratory analysis of a superstore business performance.
PYTHON
Comparative analysis of Tesla and Ferrari stock performance.