📁 Advanced Excel Analysis and Reporting Portfolio

This repository showcases my comprehensive data analysis and business reporting capabilities within Microsoft Excel, covering the full analytical lifecycle from data preparation to executive reporting.

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1. Data Cleansing and Consolidation (ETL)

Focus Skills: Power Query (M Language), Data Merging, Unpivoting, Data Transformation. Screenshot: (Reference: PwrQry_Data_Prep_Step.png)

Key Deliverables: This project demonstrates robust Power Query skills, used to import, clean, and consolidate raw, unstructured data from multiple sources. The methodology ensures data integrity by handling missing values and standardizing data types prior to analysis.

2. Dynamic Pivot Table & Summarization

Focus Skills: Pivot Tables, Pivot Charts, Slicers, Rapid Summarization, Data Filtering. Screenshot: (Reference: PivotTable_Sales_Summary.png)

Key Deliverables: A detailed analysis using Pivot Tables to rapidly summarize large datasets and identify key trends, such as top-selling products or low-performing regions. The model integrates Slicers to allow users quick, interactive filtering.

3. Professional Sales Reporting Dashboard

Focus Skills: Advanced Charting, Conditional Formatting, KPI Visualization, Design Principles. Screenshot: (Reference: Executive_Sales_Dashboard.png)

Key Deliverables: A final executive-level sales report designed for easy decision-making. The report effectively uses visualizations (charts and graphs) and Conditional Formatting to highlight performance against target (KPIs) in a clear, single-page view.

4. Advanced Formula Application

Focus Skills: SUMIFS, INDEX/MATCH (or XLOOKUP), Dynamic Array Functions, Data Validation. Screenshot: (Reference: Complex_Formula_Usage.png)

Key Deliverables: Demonstration of linking complex data tables using advanced lookup functions and utilizing conditional summation formulas (SUMIFS) to create flexible and accurate aggregation tools for managerial reporting.

5. Financial Structure Analysis

Focus Skills: Financial Auditing, Profitability Ratios, Percentage Analysis, Expense Structure. Screenshot: (Reference: Financial_Structure_Chart.png)

Key Deliverables: A report focusing on the detailed breakdown of expenses or revenue streams. It uses percentage analysis and detailed charts to audit the financial structure, highlighting areas of potential cost overrun or revenue inefficiency.

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🖼️ Portfolio Screenshots

[Image of Data Preparation Step] (link to PwrQry_Data_Prep_Step.png)

• (link to PivotTable_Sales_Summary.png)

[Image of Executive Sales Dashboard] (link to Executive_Sales_Dashboard.png)

• (link to Complex_Formula_Usage.png)

[Image of Financial Structure Chart] (link to Financial_Structure_Chart.png)