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Project Overview

The Sales Dashboard (Excel + Power BI) project focuses on analyzing sales performance using

raw Excel data and transforming it into interactive dashboards using Power BI.

This project helps stakeholders understand:

• Total sales & profit

• Monthly and yearly trends

• Top-performing products and regions

• Customer and category-wise insights

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🎯 Objectives

• Convert raw Excel sales data into meaningful insights

• Build interactive dashboards using Power BI

• Use DAX measures for calculations

• Enable decision-making using visual analytics

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🛠️ Tools & Technologies

• Microsoft Excel – Data source & cleaning

• Power BI Desktop – Data modeling & visualization

• DAX (Data Analysis Expressions) – Measures & KPIs

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🔄 Data Cleaning (Excel)

Performed before loading into Power BI:

• Removed blank rows

• Corrected date formats

• Converted numeric columns

• Checked duplicates

• Standardized region & category names

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🔗 Data Modeling (Power BI)

• Created date hierarchy

• Built relationships

• Optimized data types

• Created calculated columns & measures

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🧮 DAX Measures Used

Total Sales = SUM(Sales[Sales])

Total Profit = SUM(Sales[Profit])

Profit Margin % = DIVIDE([Total Profit], [Total Sales], 0)

Total Quantity = SUM(Sales[Quantity])

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🧠 Key Insights

• Identified top-performing regions

• Found most profitable categories

• Detected seasonal sales patterns

• Highlighted low-margin products

Author:

Name: Dinesh Pandiyan B

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