https://github.com/rashidmakki/process-control-charts

methods to solve p-chart, np-chart, c-chart, u-chart
https://github.com/rashidmakki/process-control-charts

c-chart np-chart p-chart process-control-charts statistical-quality-control u-chart

Last synced: 2 months ago
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methods to solve p-chart, np-chart, c-chart, u-chart

• Host: GitHub
• URL: https://github.com/rashidmakki/process-control-charts
• Owner: rashidmakki
• License: mit
• Created: 2021-05-01T10:28:29.000Z (over 3 years ago)
• Default Branch: main
• Last Pushed: 2023-10-13T18:40:32.000Z (over 1 year ago)
• Last Synced: 2024-11-07T15:16:51.903Z (2 months ago)
• Topics: c-chart, np-chart, p-chart, process-control-charts, statistical-quality-control, u-chart
• Language: JavaScript
• Homepage: https://rashidmakki.github.io/process-control-charts-example/
• Size: 18.6 KB
• Stars: 3
• Watchers: 2
• Forks: 3
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

Awesome Lists containing this project

README

        
# Process Control Charts

process-control-chart is npm package which provides statistical methods to solve p-chart, np-chart, c-chart, u-chart in order to study how the process changes over time.

## Getting Started

* [Live Demo](https://rashidmakki.github.io/process-control-charts-example/)

* [Example](https://github.com/rashidmakki/process-control-charts-example/)

### Install process-control-charts package

```

npm install process-control-charts

```

or

```

yarn add process-control-charts

```

## Example

```js

// index.js

let { pChart } = require('process-control-charts');

let data = [12,15,8, 10, 4, 7, 16, 9, 14, 10, 5, 6, 17, 12, 22 ,8,10, 5 , 13, 11, 20, 18, 24, 15, 9, 12, 7, 13, 9, 6];

let details = pChart(data, 50);

console.log(details);

/* 

x --> Sample number

y --> Sample fraction nonconforming

*/

```

### Run

```

npm start

```

### Output

```

{

  lcl: 0,

  cl: 0.074,

  ucl: 0.1850599837925434,

  samplesOutOfControl: 0,

  sampleData: [

    { x: 1, y: 0.04 },  { x: 2, y: 0.06 },

    { x: 3, y: 0.16 },  { x: 4, y: 0.02 },

    { x: 5, y: 0.02 },  { x: 6, y: 0.08 },

    { x: 7, y: 0.02 },  { x: 8, y: 0.08 },

    { x: 9, y: 0.1 },   { x: 10, y: 0.02 },

    { x: 11, y: 0.16 }, { x: 12, y: 0.04 },

    { x: 13, y: 0.08 }, { x: 14, y: 0.06 },

    { x: 15, y: 0.08 }, { x: 16, y: 0.02 },

    { x: 17, y: 0.16 }, { x: 18, y: 0.06 },

    { x: 19, y: 0.14 }, { x: 20, y: 0.08 }

  ],

  lclPlot: [

    { x: 1, y: 0 },  { x: 2, y: 0 },

    { x: 3, y: 0 },  { x: 4, y: 0 },

    { x: 5, y: 0 },  { x: 6, y: 0 },

    { x: 7, y: 0 },  { x: 8, y: 0 },

    { x: 9, y: 0 },  { x: 10, y: 0 },

    { x: 11, y: 0 }, { x: 12, y: 0 },

    { x: 13, y: 0 }, { x: 14, y: 0 },

    { x: 15, y: 0 }, { x: 16, y: 0 },

    { x: 17, y: 0 }, { x: 18, y: 0 },

    { x: 19, y: 0 }, { x: 20, y: 0 }

  ],

  clPlot: [

    { x: 1, y: 0.074 },  { x: 2, y: 0.074 },

    { x: 3, y: 0.074 },  { x: 4, y: 0.074 },

    { x: 5, y: 0.074 },  { x: 6, y: 0.074 },

    { x: 7, y: 0.074 },  { x: 8, y: 0.074 },

    { x: 9, y: 0.074 },  { x: 10, y: 0.074 },

    { x: 11, y: 0.074 }, { x: 12, y: 0.074 },

    { x: 13, y: 0.074 }, { x: 14, y: 0.074 },

    { x: 15, y: 0.074 }, { x: 16, y: 0.074 },

    { x: 17, y: 0.074 }, { x: 18, y: 0.074 },

    { x: 19, y: 0.074 }, { x: 20, y: 0.074 }

  ],

  uclPlot: [

    { x: 1, y: 0.1850599837925434 },

    { x: 2, y: 0.1850599837925434 },

    { x: 3, y: 0.1850599837925434 },

    { x: 4, y: 0.1850599837925434 },

    { x: 5, y: 0.1850599837925434 },

    { x: 6, y: 0.1850599837925434 },

    { x: 7, y: 0.1850599837925434 },

    { x: 8, y: 0.1850599837925434 },

    { x: 9, y: 0.1850599837925434 },

    { x: 10, y: 0.1850599837925434 },

    { x: 11, y: 0.1850599837925434 },

    { x: 12, y: 0.1850599837925434 },

    { x: 13, y: 0.1850599837925434 },

    { x: 14, y: 0.1850599837925434 },

    { x: 15, y: 0.1850599837925434 },

    { x: 16, y: 0.1850599837925434 },

    { x: 17, y: 0.1850599837925434 },

    { x: 18, y: 0.1850599837925434 },

    { x: 19, y: 0.1850599837925434 },

    { x: 20, y: 0.1850599837925434 }

  ]

}

```

## Methods Available

| Method Name   | Parameter              | Output Type   |

| ------------- | ---------------------  | ------------- |

| pChart        | ( [data], SampleSize ) | { Object }    |

| npChart       | ( [data], SampleSize ) | { Object }    |

| cChart        | ( [data])              | { Object }    |

| uChart        | ( [data], SampleSize ) | { Object }    |

## Help

Raise the issue or problem on this repository.

## Authors

* [Saurabh Tiwari](https://github.com/saurabhtiwarii/)

* [Rashid Makki](https://github.com/rashidmakki/)

## Example 

* [Process Control Charts Example](https://github.com/rashidmakki/process-control-charts-example)