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Data Management

In my Data Management and Analytics course at Cal Poly I learned to use Excel and Tableau to explore and visualize data.

  • My Excel skills enable me to efficiently organize and manipulate data, ensure accurate inputs, perform complex calculations, and create user-friendly spreadsheets for tasks such as estimating, data cleaning and financial tracking.

    • Data validation

    • Name ranges

    • Error handling

    • Data cleaning techniques such as text to columns and concatenation

    • Vlookups with table arrays and lookup arrays

    • Nested MATCH statements

    • Contextual menus

    • Conditional formatting with INDEX function

  • I am able to use formulas in Excel to calculate essential metrics like cost per click (CPC), click-through rate (CTR), cost per sale (CPA), cost per thousand impressions (CPM), and profit per sale. These data points hold significance in determining the most efficient and cost-effective advertising strategies.

  • My Tableau skills include using Tableau Prep Builder to clean and organize data, performing tasks such as field deletion, value grouping, data splitting, and applying filters. I have experience creating joins between datasets and exporting refined .csv files. Additionally, I have utilized Tableau Desktop to analyze survey data on student demographics, creating visualizations like maps, scatterplots, and bar charts. In another project, I conducted an AirBnb analysis, employing visualizations such as treemaps, heatmaps, line charts, and stacked bars to compare prices based on various factors. I also created interactive dashboards using filters and parameters.

Download Market Analysis Sample here.

Download Financial Tracking Sample here.

Final Project


In my final project, I conducted a comprehensive analysis comparing the biodiversity of national parks with the levels of air pollution in their respective areas. Using Tableau, I created a captivating story that unfolds across multiple pages of dynamic graphs.