Data Analysis | Business intelligence Analyst

Starting at

$

25

/hr

About this service

Summary

My name is Ifenna, and I am a business intelligence and data analyst. My goal is to help individuals and companies scale in their endeavors by using data to derive deep insight into a particular problem or question. The realization of my goal lies in my expertise in Machine learning, statistical analysis, predictive modeling, and data visualization. I am a certified data analyst with certification from both the IBM professional course and the National Institute of Information Technology (NIIT) Abuja. I enjoy working with data.

What's included

  • Bank Customer Churn Analysis

    The object of the project is to identify which customers are likely to leave the bank and identify key drivers of churn to support retention strategies. Process: I made use of R, Decision Tree, and Regression Tree, and performed EDA. Data Cleaning: Removed duplicates, handled missing values Feature Engineering: Encoded categorical variables, normalized features Modeling: Trained multiple models — XGBoost achieved the best performance Evaluation: Accuracy: 86% AUC Score: 0.89 Precision-Recall optimized for business impact


Skills and tools

Data Analyst

Data Modelling Analyst

Data Scientist

Data Analysis

Microsoft Excel

Microsoft Excel

MySQL

MySQL

R

R

Tableau

Tableau

Industries

Data