Pinn (Aiqi) Xu
Data Science & Visualization Portfolio
Hi, I’m Pinn — a data enthusiast working at the intersection of analysis, storytelling, and code.
This site collects my data projects: exploratory analyses, NLP experiments, and interactive visualizations built with R and Python, published with Quarto.
Featured Projects
Twitter Sentiment Analysis of Catalan Referendum
Sentiment mining on tweets surrounding the 2017 Catalan independence referendum.
Python NLP Social Media
Global Visa Cost Analysis
A comparative study of visa costs across countries, exploring affordability and geographic patterns.
Python EDA Visualization
Most Streamed Songs on Spotify 2023
Exploratory analysis of the most-streamed tracks on Spotify, uncovering trends in music popularity.
R EDA Visualization
Student Social Media Usage & Addiction
Analysis of social media habits and addiction patterns among students.
R EDA Social Media