Why Your Delivery Arrives Late
A data-driven look at delivery delays and how to fix them.
Xia Wu
Data Analyst — turning messy data into decisions
Projects
Click any card to explore. Cards marked with open on GitHub or Tableau Public in a new tab.
Llama RAG
A local, customizable document assistant powered by Llama 3 8B, enabling secure interaction with PDFs.
Delivery Dashboard
A responsive, interactive dashboard built with Tableau, enabling tracking of delivery KPIs.
Sales Data Dashboard
A Power BI report provides an overview of sales trends and offers detailed insights into customer and product data.
Movie Industry Correlation
Python was used to analyze movie data and determine the factors that have the greatest impact on gross revenue.
Data Cleaning in SQL Server
The real estate dataset were cleaned and transformed for further analysis.
Data Exploration with SQL
Exploring COVID-19 data sourced from OurWorldInData.org using SQL Server.
Covid Dashboard
The COVID-19 dashboard created in Tableau offers comprehensive global and country-specific information on the pandemic.