david mungai
data analyst portfolio

In this project we will be cleaning data to make it better and readable

• view project

"Using Tableau, I created an interactive dashboard that highlights key insights — like which regions face the highest joblessness, where income levels are falling, and which sectors are most affected."

• view project

• Designed and developed interactive customer and sales dashboards in Tableau, enabling real-time insights across multiple companies and business units.

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Built a comprehensive Tableau dashboard analyzing British Airways customer reviews, focusing on sentiment trends, service quality, and flight experience metrics.

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In this project we will use excel to clean data,create pivot_tables,create visualizations.

• New project

In this project we will analyze cbk financial year 2025 using tableau/p>

• view project

In this project we wil analyze streams and playlists of spotify using tableau.

• new project

In this project we wil use excel to clean and create visualization and pivot tables.

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In this project we wil use tableau to create visualizations based on covid19 data.

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In this project we wil use tableau to analyze the health sector of kenya and previous year trend.

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In this project we wil use tableau to analyze netflix data in detail.

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In this project we will use excel to clean data.

• New project

• Developed an end-to-end Power BI dashboard for Plant Co, visualizing operational efficiency, production output, and resource utilization across multiple facilities.

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In this project we will use powerbi to create beautiful visualizations

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In this project we will use powerbi to create beautiful visualizations on nashville housing data

• New project

In thisproject we will use power bi to create visualization based on companies laying off their employees.

• New project