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.

Browse all projects →

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

About this site →

---
title: "Pinn (Aiqi) Xu"
subtitle: "Data Science & Visualization Portfolio"
sidebar: false
toc: false
---

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](https://quarto.org/).

[Browse all projects →](projects/){.btn .btn-primary}

## Featured Projects

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::: {.g-col-12 .g-col-md-6 .featured-card}
[**Twitter Sentiment Analysis of Catalan Referendum**](projects/catalan-referendum/)\
Sentiment mining on tweets surrounding the 2017 Catalan independence referendum.\
`Python` `NLP` `Social Media`
:::

::: {.g-col-12 .g-col-md-6 .featured-card}
[**Global Visa Cost Analysis**](projects/global-visa-cost/)\
A comparative study of visa costs across countries, exploring affordability and geographic patterns.\
`Python` `EDA` `Visualization`
:::

::: {.g-col-12 .g-col-md-6 .featured-card}
[**Most Streamed Songs on Spotify 2023**](projects/most-streamed-songs/)\
Exploratory analysis of the most-streamed tracks on Spotify, uncovering trends in music popularity.\
`R` `EDA` `Visualization`
:::

::: {.g-col-12 .g-col-md-6 .featured-card}
[**Student Social Media Usage & Addiction**](projects/student-media-usage/)\
Analysis of social media habits and addiction patterns among students.\
`R` `EDA` `Social Media`
:::
:::::::

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[About this site →](about/){.btn .btn-outline-primary}