Sewhenu.
Portfolio

Projects & case studies

Every project is a full write-up on Substack — click through to read the process, findings, and takeaways.

Excel

Bank Customer Analytical Overview

How I used Microsoft Excel for my first end-to-end analytics project.

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Excel + SQL

Brewery Profitability & Consumer Behavior

From SQL to insights — a three-year analysis of brewery performance.

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Excel

Pizza Sales Performance Analysis

From data to decisions — turning pizza sales into strategic insights.

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Excel + SQL

Splendor Investments Workforce Analysis

When employee data starts talking — a workforce study with SQL and Excel.

Documentation coming soon
Excel

10,000 Ride-Sharing Trips Analyzed

What the data revealed about riders, routes, and revenue.

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Power BI

Inside 55,500 Patient Records

A healthcare dashboard on cost, care, and risk — built in Power BI.

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Python

Car Sales EDA

An exploratory data analysis of car sales data using Python, pandas, and seaborn in Google Colab.

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Power BI

HR Attrition Analysis

Inside 1,470 employee records — what the data revealed about retention, retrenchment, and promotion risk.

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Python

Student_Performance

An exploratory analysis of student performance factors using Python, pandas, and descriptive statistics in Google Colab.

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Python

Dietician Analysis

An exploratory analysis of dietary and nutrition data using Python, pandas, and statistical summaries in Google Colab.

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Power BI

Household cleaning agents Analysis

A Power BI sales overview dashboard exploring performance and trends for household cleaning agents.

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