A photo of me

Halden Lin

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Hi. I'm a Research Engineer at Apple . I've built visualization frameworks, data tools, and interactive articles for Apple's Platforms and the web.

I like to prototype. I like to polish those prototypes into products. I like refining the small details that make something great instead of good.

Before Apple, I was a part of the Interactive Data Lab at the University of Washington, where I completed my MS degree, working with Jeff Heer.

Here are some things I've worked on.

Swift Charts

Beautiful charts on Apple Devices, both at Apple and for 3rd party developers

Hello Swift Charts @ WWDC
A screenshot of a part of the Hello Swift Charts talk from WWDC 2022 showing code and the chart it produces.
Swift Charts Developer Documentation
A screenshot of the Swift Charts developer documentation website.
Human Interface
Guidelines for Charts

Design guidelines for if, when, and how you should use charts in your apps

Charts
A screenshot of Charts page of the Human Interface Guidelines.
Charting Data
A screenshot of Charting Data page of the Human Interface Guidelines.
Menstrual cycle length
and variability: a visual explanation

Learn about the Apple Women's Health Study's findings on menstrual cycle length and variability

Menstrual cycle length and variability: a visual explanation
A screenshot of a part of the interactive article showing a visual of a distribution of menstrual cycle length.A screenshot of a part of the interactive article showing a calendar month with a cycle highlighted.
The Hidden Cost
of Digital Consumption

How does information get to your screen, and at what environmental cost?

The Hidden Cost of Digital Consumption
A screenshot of a part of the interactive article showing a visual of internet infrastructure on the west coast of the United States.A screenshot of a part of the interactive article showing a visual of data transferred for various websites.
Dziban: Balancing Agency and Automation
in Visualization Design via Anchored Recommendations

A python library for recommender-powered visualization authoring.

Paper (from CHI 2020 in Honolulu)
A screenshot of the Dziban paper.
Sample Notebook
A screenshot of the a python notebook using Dziban
Visualizing Attention
in Sequence to Sequence Models

A tool for understanding attention. Poster presented at IEEE VIS 2018 in Berlin.

Visualizing Attention in Sequence to Sequence Models
A screenshot of the attention visualization tool.A screenshot of the attention visualization tool.

News

We published an interactive article for the Apple Women's Health Study in September 2023: Menstrual cycle length and variability: a visual explanation with Samantha Robertson and Fred Hohman

We published the Human Interface Guidelines on Charts in September 2022: Charts, Charting Data with the team at Apple

I gave a talk on designing charts at WWDC 2022: Design an Effective Chart with Lilian De Greef

We released Swift Charts at WWDC 2022: Swift Charts with the team at Apple

I published an article on the Parametric Press in October 2020: The Hidden Cost of Digital Consumption with Aishwarya Nirmal, Shobhit Hathi, and Lilian Liang

I published a paper at ACM CHI 2020: Dziban: Balancing Agency & Automation in Visualization Design via Anchored Recommendations with Dominik Moritz and Jeffrey Heer

I presented a poster at IEEE VIS 2018: Visualizing Attention in Sequence-to-Sequence Summarization Models with Tongshuang Wu, Kanit Wongsuphasawat, Yejin Choi, and Jeffrey Heer