## Week 4 Lab Overview |User Interface|Graphics Library|Notebook| |:--|:--|:--| |[observablehq.com](https://observablehq.com)|[D3](https://d3js.org/)|[Week 4 Lab Notebook](https://observablehq.com/@rk2546/2025-infovis-cse_week-4-lab)| ### Today's Lab Activities Today will be mainly a coding exercise where you will generate your first bar chart using D3. Follow the instructions outlined in today's [Observable Notebook](https://observablehq.com/@rk2546/2025-infovis-cse_week-4-lab). ## End of Lab - Exercise #4 will be posted no later than **September 28, 2025**. - Exercise #4 is due on **October 2nd, 2025 @ 11:59pm**! - Where do I ask questions? - TA Office Hours: - Physical Location: Wednesdays @ 2PM-3PM, 8th floor common area @ 370 Jay Street, Brooklyn - Online Zoom: [https://nyu.zoom.us/j/92815268504](https://nyu.zoom.us/j/92815268504) - Grader TA Office Hours: - Online Zoom: [https://nyu.zoom.us/j/2817596431](https://nyu.zoom.us/j/2817596431) - Our course Discord! 