Data Analyst · Abuja, Nigeria

Ezihe
Chinonyelum Grace

I turn data into clear reports, practical insights
and better business decisions.

Excel · SQL · Power BI · Tableau · Python · R

Analysis grounded in business needs

I am a data analyst with experience in commercial performance reporting, customer analysis and research analytics. My work includes cleaning and validating data, monitoring KPIs, building dashboards and communicating recommendations to management and operational teams.

My background combines analytical roles at Omnibiz Nigeria and Euro Mega Atlantic Nigeria Limited with research projects in health, economics and agriculture. I focus on making findings understandable and useful to the people making decisions.

Data preparation

Excel, Google Sheets, SQL, Python and R for cleaning, validation and exploratory analysis.

Reporting and dashboards

Power BI, Tableau and Excel for performance monitoring and communicating trends.

Business and research

KPI reporting, customer retention analysis, statistical analysis and management presentations.

Selected projects

Explore the questions, tools and analytical approaches behind my work. These projects use public and research datasets.

R · dplyr · ggplot2

Retail Sales and Profitability Analysis

Retail Sales and Profitability Analysis

Which products, regions and customer segments drive sales and profitability?

Explores retail transactions, sales patterns, discounts and customer segments. Includes data checks and visual analysis to support decisions about product and regional priorities.

Tableau · Data visualisation

Interactive Tableau Dashboards

Interactive Tableau Dashboards

How can interactive dashboards make data easier to explore?

A collection of Tableau visualisations demonstrating dashboard design and the communication of patterns through interactive views.

SQL · Data quality

Housing Data Cleaning with SQL

Housing Data Cleaning with SQL

How can inconsistent housing records be prepared for analysis?

A SQL cleaning project focused on preparing the Nashville Housing dataset for more reliable analysis. Open the script to review the transformations and cleaning approach.

SQL · Exploratory analysis

COVID 19 Data Exploration with SQL

COVID 19 Data Exploration with SQL

What patterns emerge from COVID 19 deaths and vaccination data?

Explores public health datasets using SQL to examine pandemic trends. The project script provides the queries behind the analysis.

Research reporting · Data storytelling

The State of Nigerian Children

The State of Nigerian Children

What do published indicators reveal about child well-being in Nigeria?

A presentation drawing on UNICEF’s 2023 State of the World’s Children report, communicating statistics and recommendations for a non-technical audience.

Python · Jupyter Notebook · Clustering

Global Socioeconomic Cluster Analysis

Global Socioeconomic Cluster Analysis

How can countries be grouped by socioeconomic characteristics?

Examines country-level indicators and uses clustering and visualisation to explore similarities between nations. A research-focused example of segmentation and exploratory analysis.

Python · Exploratory analysis · Machine learning

Titanic Survival Analysis and Modelling

Titanic Survival Analysis and Modelling

Which passenger characteristics are associated with survival?

Explores the Titanic dataset and develops predictive models. Demonstrates exploratory analysis and modelling on a public practice dataset.