You will get a clean, structured, and analysis-ready dataset
Project details
I help businesses and individuals turn messy, unreliable data into clean, structured, and analysis-ready datasets. Whether your data has duplicate records, missing values, inconsistent formatting, invalid entries, or mixed date formats — I identify every issue, fix it systematically, and deliver a dataset you can actually trust and use.
Using Excel, SQL, and Python, I bring a detail-oriented and transparent approach to every project. You won't just receive a cleaned file — you'll also get a clear summary document listing every change made, so you always know exactly what was fixed and why.
I specialize in serving clients in the finance and e-commerce industries, where data accuracy directly impacts business decisions. Whether you have 500 rows or 50,000, I treat every dataset with the same level of care and precision.
When you order from me, you get fast turnaround, clear communication, and a deliverable that's ready for reporting, analysis, or visualization — right out of the box.
Using Excel, SQL, and Python, I bring a detail-oriented and transparent approach to every project. You won't just receive a cleaned file — you'll also get a clear summary document listing every change made, so you always know exactly what was fixed and why.
I specialize in serving clients in the finance and e-commerce industries, where data accuracy directly impacts business decisions. Whether you have 500 rows or 50,000, I treat every dataset with the same level of care and precision.
When you order from me, you get fast turnaround, clear communication, and a deliverable that's ready for reporting, analysis, or visualization — right out of the box.
Data Tool
PythonWhat's included
| Service Tiers |
Starter
$15
|
Standard
$35
|
Advanced
$60
|
|---|---|---|---|
| Delivery Time | 1 day | 2 days | 3 days |
Number of Revisions | 1 | 2 | 4 |
Frequently asked questions
About Oyewole
Data Analytics| Business intelligence Analyst| Machine learning
Ile-Ife, Nigeria - 7:44 am local time
Data Analyst | Python • SQL • Power BI • Tableau • Excel
I'm a data analyst with 1–2 years of hands-on experience turning raw data into clear, actionable insights. I specialize in the full data workflow — from cleaning and analysis to visualization and predictive modeling.
What I bring to your project:
Proficiency in Python, SQL, Excel, Power BI, and Tableau
Experience building machine learning models for real business problems
Strong ability to communicate findings through clean, interactive dashboards
Recent Projects:
🔍 Customer Churn Analysis & Prediction — Built an end-to-end analytics solution using Power BI dashboards and an XGBoost model that predicts customer churn with 89.24% accuracy, including single and batch prediction functionality.
👥 Employee Flight Risk Analysis — Developed an ML model to predict employee attrition, achieving 100% accuracy on the test dataset.
🛒 E-Commerce Sales Analysis — Delivered a full BI analysis using Power BI, a Python-based recommendation system, and a live Streamlit app.
🪑 Furniture Business Profit Predictor — Analyzed business performance and built a profit prediction model to support decision-making.
Education: Complete Data Analysis Bootcamp (Udemy) — Excel, Statistics, Python, SQL, Power BI & Tableau
I'm detail-oriented, deadline-driven, and passionate about finding the story hidden in every dataset. Let's work together to make your data work for you.
Steps for completing your project
After purchasing the project, send requirements so Oyewole can start the project.
Delivery time starts when Oyewole receives requirements from you.
Oyewole works on your project following the steps below.
Revisions may occur after the delivery date.
Data Review
I review your uploaded file to understand its structure and identify all issues
Issue Documentation
I document every problem found (duplicates, missing values, formatting errors, etc.)