---
title: "Pinn (Aiqi) Xu"
subtitle: |
Data Analyst • UI/UX • Web App Developer
Product/Project Manager • Media Specialist
Coding, Art & Design Enthusiast
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contents:
- ../projects/2026-05-01-ai-discourse/index.qmd
- ../projects/2024-12-12-global-visa-cost/index.qmd
- ../tools/2026-04-06-url-shortener/index.md
- ../projects/2025-12-10-bayanihan/index.qmd
- ../tools/2026-04-17-news-hub/index.md
- ../blogs/2026-07-16-ntn-workflows/index.md
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---
<!-- 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/). -->
:::{.intro}
**Data analysis** projects, **UI/UX** designs, **web tools**, R/Python **tutorials**, and **blogs**, published with [Quarto](https://quarto.org/){target="_blank"}. Web tools were developed with React, Next.js, and TypeScript.
<p style="font-size:0.8rem; padding-top: 0.5rem;">
(My favorites are [Blogs](blogs) and [Change Log](changes) ;P)
</p>
:::
:::{style="line-height:3.6;"}
[Browse All Projects →](projects/){.btn .btn-primary style="margin-right:12px"}
[Data Viz Tutorials](tutorials/){.btn .btn-outline-primary}
:::
<!-- ====================================================================== -->
<!-- Start: GitHub Contribution Map -->
<a href="https://github.com/Pinn32" data-image-link target="_blank">
<!-- Mobile: Heatmap -->
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</a>
<!-- End: GitHub Contribution Map -->
<!-- ====================================================================== -->
## Featured Projects {#featured-projects}
::: {#home-listing}
:::
```{=html}
<!-- ====================================================================== -->
<!-- ::::::: grid
::: {.g-col-12 .g-col-md-6 .featured-card}
[**Twitter Sentiment Analysis of Catalan Referendum**](projects/catalan-referendum/){.stretched-link}\
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/){.stretched-link}\
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/){.stretched-link}\
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/){.stretched-link}\
Analysis of social media habits and addiction patterns among students.\
`R` `EDA` `Social Media`
:::
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```
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[All Projects →](projects/){.btn .btn-outline-primary}
