# Control Chart implementation?
**URL:** https://talk.observablehq.com/t/control-chart-implementation/5027
**Category:** Help
**Created:** [May 7, 2021, 6:28pm UTC](https://talk.observablehq.com/t/control-chart-implementation/5027 "2021-05-07T18:28:09Z")
**Posts on this page:** 2
**Page:** 1
### Author:  [@enjalot](https://talk.observablehq.com/u/enjalot)
#### Post date: [May 7, 2021, 6:28pm UTC](https://talk.observablehq.com/t/control-chart-implementation/5027/1 "2021-05-07T18:28:09Z")
This seems like a worthy challenge
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I’d be interested in offering some tech support / notebook reviews on this if someone was interested in taking a shot. especially interesting if done in Plot!
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### Author:  [@asg017](https://talk.observablehq.com/u/asg017)
#### Post date: [May 7, 2021, 7:43pm UTC](https://talk.observablehq.com/t/control-chart-implementation/5027/2 "2021-05-07T19:43:22Z")
If anyone wants to try doing this, I have this notebook that goes over how to get California COVID19 data from the underlying LA Times dataset, with an example bar chart viz using Plot!
> **["Control Chart" Challenge Starter Pack: The LA Times COVID data / Alex Garcia...](https://observablehq.com/@asg017/control-chart-challenge-starter-pack-the-la-times-covid-dat)**
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> Explore and visualize data. Share and publish your insights. Discover and be inspired.
It’s up to you to make the “Control Chart” though, which should be fun