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# React Combination Chart - Visualize and Compare Data Sets

## Overview

React Combination Chart combines two or more chart types into a single chart to compare different data sets. Supports zooming, panning, tooltip, trackball, and selection.

## Combination of line, area, and column chart

You can create multiple series of different types in the same chart. Legend and tooltip for the series make it more readable.

## Pareto chart

Pareto chart is the combination of line and column charts. The column represents data in the descending order, whereas the line chart represents the cumulative value of the data.

## Combination of Candle with Column/Line

You can combine Candle with line or column chart to show additional parameters in financial analysis. For example, volume of the stock can be viewed with the help of column chart.

## React Combination Chart Code Example

Easily get started with React Combination Chart using a few simple lines of HTML and JS code example as demonstrated below,

```<!DOCTYPE html>
<html>

<body>
<div id="charts"></div>
</body>

</html>```
```import {AxisModel,Category, ChartComponent, ColumnSeries, Inject,LineSeries, SeriesCollectionDirective, SeriesDirective} from'@syncfusion/ej2-react-charts';
import * as React from 'react';
class App extends React.Component<{}, {}> {
public primaryXAxis: AxisModel = { valueType: 'Category'};
public data1 : any[]= [
{ x: 2005, y: 28 }, { x: 2006, y: 25 }, { x: 2007, y: 26 }, { x: 2008, y: 27 },
{ x: 2009, y: 32 }, { x: 2010, y: 35 }, { x: 2011, y: 30 }
];
public data2 : any[]= [
{ x: 2005, y: 15 }, { x: 2006, y: 16 }, { x: 2007, y: 17 }, { x: 2008, y: 18 },
{ x: 2009, y: 19 }, { x: 2010, y: 20 }, { x: 2011, y: 21 }
];
public render() {
return <ChartComponent id='charts' primaryXAxis={this.primaryXAxis}>
<Inject services={[ColumnSeries, Category,LineSeries]} />
<SeriesCollectionDirective>
<SeriesDirective dataSource={this.data1} xName='x' yName='y' type='Line'/>
<SeriesDirective dataSource={this.data2} xName='x' yName='y' type='Column'/>
</SeriesCollectionDirective>
</ChartComponent>
}
};
ReactDOM.render(
<App />,
document.getElementById('charts') as HTMLElement
);```

## Learning Resources

Combination Chart User Guide

Learn the available options to customize React combination chart.

Combination Chart API Reference

Explore the React combination chart APIs.

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