SPC Histogram

SPC Histogram panel enables you to create statistical process control (SPC) histograms, including Xbar-R, XbarS, and XmR charts as well as fit bell curver over the histogram.

Features

• Xbar-R, XbarS, and XmR Charts: Create various types of SPC charts and display them in the form of histogram
• Automatic Control Limits: LCL, UCL and mean control limits are automatically calculated and displayed on the histogram.
• Custom Limits: Add your own static limits.
• Subgrouping: Group your samples into subgroups and aggregate it.
• Aggregation: Aggregate your data by moving range, range, mean, or standard deviation.
• Histogram Bell Curve: Visualize the distribution of your data with a histogram bell curve overlay.
• Gaussian Bell Curve: Add a Gaussian (normal) distribution curve to your histogram.

Requirements

• Grafana version 11.0.2 or higher is required

Getting Started

You can install the SPC Histogram panel plugin in following ways:

• in your grafana instance, go to Home -> Administration -> Plugins and data -> Plugins and search for SPC histogram
• get it from the Grafana Plugins catalog
• use the Grafana command line tool, run:

grafana-cli plugins install kensobi-spchistogram-panel

• build the pluging from source, see Building the plugin

Building the plugin

Clone the repository then:

1. Install dependencies

   yarn install

2. Build plugin in development mode and run in watch mode

   yarn run dev

3. Build plugin in production mode

   yarn run build

4. Run local Grafana with compiled plugin

   docker compose up -d

Getting Help

If you have any questions or feedback, you can:

• Ask a question on the KensoBI Discord channel.
• Create an issue to report bugs, issues, and feature suggestions.

Help us improve. Your feedback is always welcome!

License

This software is distributed under the AGPL-3.0-only.