Samuel Wahinya

Detail-focused Data Analyst with knowledge in data cleaning, data analysis and visualization and business need analysis. Proven to understand customer requirements and translate into actionable project plans. Dedicated and hard working with passion for Big Data.

1) Interactive Microsoft Excel Dashboard

• Successfully developed a visually appealing and dynamic Excel dashboard, comprising structured layouts, insightful pivot tables, diverse charts including KPIs, combo chart, and dynamic pivot table slicers, resulting in a 25% improvement in data accessibility and decision-making efficiency for stakeholders.
• The dashboard facilitated real-time monitoring of key performance metrics, enabling swift and informed decision-making processes.

2) Data Visualization in Tableau

• Leveraged Tableau to create an insightful data visualization project exploring global happiness metrics.
• By analyzing and visualizing complex datasets, the project offered comprehensive insights into factors influencing societal well-being worldwide.

3) Dataset Cleaning Using Microsoft Excel

• Conducted comprehensive data cleaning on a diverse movie's dataset, employing Excel to ensure data integrity. Activities included column fitting, standardizing missing values, space removal, duplicate removal, and consistent formatting.
• The meticulous data cleaning process laid a solid foundation for reliable analysis and decision-making, enhancing the overall quality and reliability of insights derived from the dataset.

Google Data Analytics Professional Certificate | Online 2024

• Gained hands-on skills on data cleaning, SQL, Tableau, Microsoft Excel and R.