Skip to content

cuongdp23/superstore-dashboard-powerBI

Folders and files

NameName
Last commit message
Last commit date

Latest commit

 

History

6 Commits
 
 
 
 
 
 
 
 

Repository files navigation

📊 Superstore Sales Dashboard (Power BI)

📌 Overview

This project is a Power BI dashboard built on the Sample Superstore dataset.
The goal is to identify which products, regions, categories, and customer segments are most profitable and which should be reconsidered.


📄 Dataset

  • Source: Sample Superstore dataset
  • Period: 2014 – 2017
  • Fields: Row ID, Order ID, Order Date, Ship Date, Ship Mode, Customer ID, Customer Name, Segment, Country, City, State, Postal Code, Region, Product ID, Category, Sub-Category, Product Name, Sales, Quantity, Discount, Profit
  • Link: Superstore Dataset on Kaggle

📄 Custom Columns & Measures

Added Columns

  • Profit Margin: [Profit] / [Sales]
  • Order/Ship Date (Year, Month, Date): Split [Order Date] and [Ship Date] into [Year], [Month], [Date]

Key Measures

  • Total Sales
  • Total Profit
  • Profit Margin (%)
  • YoY Sales Growth

🧠 Techniques

  • Data cleaning: Power Query
  • Visualizations: Line chart, Bar chart, Donut chart, Table, Map, KPI Cards
  • Slicers: allow users to filter by Time, Region, and Category
  • Drill-down by Year/Quarter/Month

✅ Key Insights

  • Total Sales: $2.30M across 2014–2017, with +20.34% YoY growth in 2017 vs 2016
  • Sales Seasonality: Sales consistently peak in Q4, highlighting strong seasonal demand
  • West Region: leading region with the highest sales contribution (~32%) and strong profit performance
  • Technology: top-performing category (36% of sales, 17.4% profit margin)
  • Furniture: lowest margin (2.49%) → opportunity for supplier negotiation or product mix optimization

🛠 Tools

  • Power BI Desktop
  • DAX (Data Analysis Expressions)
  • Power Query (data transformation & cleaning)

⭐ This project is part of my learning journey in data analytics with Power BI and demonstrates my ability to transform raw data into actionable business insights.

About

Interactive Power BI dashboard analyzing Superstore sales (2014–2017). Includes KPI cards, trend analysis, regional and category breakdowns, and drill-down filters to identify top-performing segments and business insights.

Topics

Resources

Stars

Watchers

Forks

Releases

Packages

Contributors