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Trendlines in React Chart component

14 Apr 2021 / 15 minutes to read

Trendlines are used to show the direction and speed of price.

Trendlines can be generated for Cartesian type series (Line, Column, Scatter, Area, Candle, Hilo etc.) except bar type series. You can add more than one trendline to a series.

Chart supports 6 types of trendlines.

Linear

A linear trendline is a best fit straight line that is used with simpler data sets. To render a linear trendline, use trendline type as Linear and inject Trendlines module using Chart.Inject(Trendlines).

Source
Preview
index.tsx
index.jsx
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import * as React from "react";
import * as ReactDOM from "react-dom";
import { Browser } from '@syncfusion/ej2-base';
import {
    ChartComponent, SeriesCollectionDirective, SeriesDirective, TrendlineDirective, TrendlinesDirective, Inject,
    Tooltip, LineSeries, ScatterSeries, SplineSeries, Trendlines, Category, ChartTheme
    ,AxisModel,TooltipSettingsModel,ChartAreaModel
} from '@syncfusion/ej2-react-charts';
import { DropDownListComponent } from '@syncfusion/ej2-react-dropdowns';
import { NumericTextBoxComponent } from '@syncfusion/ej2-react-inputs';
import { SampleBase } from '../common/sample-base';
import { PropertyPane } from '../common/property-pane';
import { EmitType } from '@syncfusion/ej2-base';

class App extends React.Component<{}, {}> {

  public series1: Object[] = [];
  public yValue: number[] = [7.66, 8.03, 8.41, 8.97, 8.77, 8.20, 8.16, 7.89, 8.68, 9.48, 10.11, 11.36, 12.34, 12.60, 12.95,
    13.91, 16.21, 17.50, 22.72, 28.14, 31.26, 31.39, 32.43, 35.52, 36.36,
    41.33, 43.12, 45.00, 47.23, 48.62, 46.60, 45.28, 44.01, 45.17, 41.20, 43.41, 48.32, 45.65, 46.61, 53.34, 58.53];
  public chartLoad(): void {
    let i: number;
    let j: number = 0;
    for (i = 1973; i <= 2013; i++) {
      this.series1.push({ x: i, y: this.yValue[j] });
      j++;
    }
  }
  public primaryxAxis: AxisModel = { title: 'Months', majorGridLines: { width: 0 } };
  public primaryyAxis: AxisModel = {
    title: 'Rupees against Dollars', interval: 10,
    lineStyle: { width: 0 }, majorTickLines: { width: 0 }
  };
  public tooltip: TooltipSettingsModel = { enable: true };
  public chartarea: ChartAreaModel = { border: { width: 0 } };
  public marker = { visible: false };

  render() {
    this.chartLoad();
    return <ChartComponent id='charts'
      primaryXAxis={this.primaryxAxis}
      primaryYAxis={this.primaryyAxis}
      tooltip={this.tooltip}
      chartArea={this.chartarea}
      title='Historical Indian Rupee Rate (INR USD)'>
      <Inject services={[Category, Tooltip, ScatterSeries, SplineSeries, LineSeries, Trendlines]} />
      <SeriesCollectionDirective>
        <SeriesDirective dataSource={this.series1} xName='x' yName='y' name='Apple Inc' type='Scatter' fill='#0066FF'>
          <TrendlinesDirective>
            <TrendlineDirective type='Linear' width={3} marker={this.marker}>
            </TrendlineDirective>
          </TrendlinesDirective>
        </SeriesDirective>
      </SeriesCollectionDirective>
    </ChartComponent>
  }

};
ReactDOM.render(<App />, document.getElementById("charts"));
Copied to clipboard
import * as React from "react";
import * as ReactDOM from "react-dom";
import { ChartComponent, SeriesCollectionDirective, SeriesDirective, TrendlineDirective, TrendlinesDirective, Inject, Tooltip, LineSeries, ScatterSeries, SplineSeries, Trendlines, Category } from '@syncfusion/ej2-react-charts';
class App extends React.Component {
    constructor() {
        super(...arguments);
        this.series1 = [];
        this.yValue = [7.66, 8.03, 8.41, 8.97, 8.77, 8.20, 8.16, 7.89, 8.68, 9.48, 10.11, 11.36, 12.34, 12.60, 12.95,
            13.91, 16.21, 17.50, 22.72, 28.14, 31.26, 31.39, 32.43, 35.52, 36.36,
            41.33, 43.12, 45.00, 47.23, 48.62, 46.60, 45.28, 44.01, 45.17, 41.20, 43.41, 48.32, 45.65, 46.61, 53.34, 58.53];
        this.primaryxAxis = { title: 'Months', majorGridLines: { width: 0 } };
        this.primaryyAxis = {
            title: 'Rupees against Dollars', interval: 10,
            lineStyle: { width: 0 }, majorTickLines: { width: 0 }
        };
        this.tooltip = { enable: true };
        this.chartarea = { border: { width: 0 } };
        this.marker = { visible: false };
    }
    chartLoad() {
        let i;
        let j = 0;
        for (i = 1973; i <= 2013; i++) {
            this.series1.push({ x: i, y: this.yValue[j] });
            j++;
        }
    }
    render() {
        this.chartLoad();
        return <ChartComponent id='charts' primaryXAxis={this.primaryxAxis} primaryYAxis={this.primaryyAxis} tooltip={this.tooltip} chartArea={this.chartarea} title='Historical Indian Rupee Rate (INR USD)'>
      <Inject services={[Category, Tooltip, ScatterSeries, SplineSeries, LineSeries, Trendlines]}/>
      <SeriesCollectionDirective>
        <SeriesDirective dataSource={this.series1} xName='x' yName='y' name='Apple Inc' type='Scatter' fill='#0066FF'>
          <TrendlinesDirective>
            <TrendlineDirective type='Linear' width={3} marker={this.marker}>
            </TrendlineDirective>
          </TrendlinesDirective>
        </SeriesDirective>
      </SeriesCollectionDirective>
    </ChartComponent>;
    }
}
;
ReactDOM.render(<App />, document.getElementById("charts"));

Exponential

An exponential trendline is a curved line that is most useful when data values rise or fall at increasingly higher rates. You cannot create an exponential trendline, if your data contains zero or negative values.

To render a exponential trendline, use trendline type as Exponential and inject Trendlines module using Chart.Inject(Trendlines).

Source
Preview
index.tsx
index.jsx
Copied to clipboard
import * as React from "react";
import * as ReactDOM from "react-dom";
import { Browser } from '@syncfusion/ej2-base';
import {
    ChartComponent, SeriesCollectionDirective, SeriesDirective, TrendlineDirective, TrendlinesDirective, Inject,
    Tooltip, LineSeries, ScatterSeries, SplineSeries, Trendlines, Category, ChartTheme
    ,AxisModel,TooltipSettingsModel,ChartAreaModel
} from '@syncfusion/ej2-react-charts';
import { DropDownListComponent } from '@syncfusion/ej2-react-dropdowns';
import { NumericTextBoxComponent } from '@syncfusion/ej2-react-inputs';
import { SampleBase } from '../common/sample-base';
import { PropertyPane } from '../common/property-pane';
import { EmitType } from '@syncfusion/ej2-base';

class App extends React.Component<{}, {}> {

  public series1: Object[] = [];
  public yValue: number[] = [7.66, 8.03, 8.41, 8.97, 8.77, 8.20, 8.16, 7.89, 8.68, 9.48, 10.11, 11.36, 12.34, 12.60, 12.95,
    13.91, 16.21, 17.50, 22.72, 28.14, 31.26, 31.39, 32.43, 35.52, 36.36,
    41.33, 43.12, 45.00, 47.23, 48.62, 46.60, 45.28, 44.01, 45.17, 41.20, 43.41, 48.32, 45.65, 46.61, 53.34, 58.53];
  public chartLoad(): void {
    let i: number;
    let j: number = 0;
    for (i = 1973; i <= 2013; i++) {
      this.series1.push({ x: i, y: this.yValue[j] });
      j++;
    }
  }
  public primaryxAxis: AxisModel = { title: 'Months', majorGridLines: { width: 0 } };
  public primaryyAxis: AxisModel = {
    title: 'Rupees against Dollars', interval: 10,
    lineStyle: { width: 0 }, majorTickLines: { width: 0 }
  };
  public tooltip: TooltipSettingsModel = { enable: true };
  public chartarea: ChartAreaModel = { border: { width: 0 } };
  public marker = { visible: false };

  render() {
    this.chartLoad();
    return <ChartComponent id='charts'
      primaryXAxis={this.primaryxAxis}
      primaryYAxis={this.primaryyAxis}
      tooltip={this.tooltip}
      chartArea={this.chartarea}
      title='Historical Indian Rupee Rate (INR USD)'>
      <Inject services={[Category, Tooltip, ScatterSeries, SplineSeries, LineSeries, Trendlines]} />
      <SeriesCollectionDirective>
        <SeriesDirective dataSource={this.series1} xName='x' yName='y' name='Apple Inc' type='Scatter' fill='#0066FF'>
          <TrendlinesDirective>
            <TrendlineDirective type='Exponential' width={3} marker={this.marker}>
            </TrendlineDirective>
          </TrendlinesDirective>
        </SeriesDirective>
      </SeriesCollectionDirective>
    </ChartComponent>
  }

};
ReactDOM.render(<App />, document.getElementById("charts"));
Copied to clipboard
import * as React from "react";
import * as ReactDOM from "react-dom";
import { ChartComponent, SeriesCollectionDirective, SeriesDirective, TrendlineDirective, TrendlinesDirective, Inject, Tooltip, LineSeries, ScatterSeries, SplineSeries, Trendlines, Category } from '@syncfusion/ej2-react-charts';
class App extends React.Component {
    constructor() {
        super(...arguments);
        this.series1 = [];
        this.yValue = [7.66, 8.03, 8.41, 8.97, 8.77, 8.20, 8.16, 7.89, 8.68, 9.48, 10.11, 11.36, 12.34, 12.60, 12.95,
            13.91, 16.21, 17.50, 22.72, 28.14, 31.26, 31.39, 32.43, 35.52, 36.36,
            41.33, 43.12, 45.00, 47.23, 48.62, 46.60, 45.28, 44.01, 45.17, 41.20, 43.41, 48.32, 45.65, 46.61, 53.34, 58.53];
        this.primaryxAxis = { title: 'Months', majorGridLines: { width: 0 } };
        this.primaryyAxis = {
            title: 'Rupees against Dollars', interval: 10,
            lineStyle: { width: 0 }, majorTickLines: { width: 0 }
        };
        this.tooltip = { enable: true };
        this.chartarea = { border: { width: 0 } };
        this.marker = { visible: false };
    }
    chartLoad() {
        let i;
        let j = 0;
        for (i = 1973; i <= 2013; i++) {
            this.series1.push({ x: i, y: this.yValue[j] });
            j++;
        }
    }
    render() {
        this.chartLoad();
        return <ChartComponent id='charts' primaryXAxis={this.primaryxAxis} primaryYAxis={this.primaryyAxis} tooltip={this.tooltip} chartArea={this.chartarea} title='Historical Indian Rupee Rate (INR USD)'>
      <Inject services={[Category, Tooltip, ScatterSeries, SplineSeries, LineSeries, Trendlines]}/>
      <SeriesCollectionDirective>
        <SeriesDirective dataSource={this.series1} xName='x' yName='y' name='Apple Inc' type='Scatter' fill='#0066FF'>
          <TrendlinesDirective>
            <TrendlineDirective type='Exponential' width={3} marker={this.marker}>
            </TrendlineDirective>
          </TrendlinesDirective>
        </SeriesDirective>
      </SeriesCollectionDirective>
    </ChartComponent>;
    }
}
;
ReactDOM.render(<App />, document.getElementById("charts"));

Logarithmic

A logarithmic trendline is a best-fit curved line that is most useful when the rate of change in the data increases or decreases quickly and then levels out. A logarithmic trendline can use negative and/or positive values.

To render a logarithmic trendline, use trendline type as Logarithmic and inject Trendlines module using Chart.Inject(Trendlines).

Source
Preview
index.tsx
index.jsx
Copied to clipboard
import * as React from "react";
import * as ReactDOM from "react-dom";
import { Browser } from '@syncfusion/ej2-base';
import {
    ChartComponent, SeriesCollectionDirective, SeriesDirective, TrendlineDirective, TrendlinesDirective, Inject,
    Tooltip, LineSeries, ScatterSeries, SplineSeries, Trendlines, Category, ChartTheme
    ,AxisModel,TooltipSettingsModel,ChartAreaModel
} from '@syncfusion/ej2-react-charts';
import { DropDownListComponent } from '@syncfusion/ej2-react-dropdowns';
import { NumericTextBoxComponent } from '@syncfusion/ej2-react-inputs';
import { SampleBase } from '../common/sample-base';
import { PropertyPane } from '../common/property-pane';
import { EmitType } from '@syncfusion/ej2-base';

class App extends React.Component<{}, {}> {

  public series1: Object[] = [];
  public yValue: number[] = [7.66, 8.03, 8.41, 8.97, 8.77, 8.20, 8.16, 7.89, 8.68, 9.48, 10.11, 11.36, 12.34, 12.60, 12.95,
    13.91, 16.21, 17.50, 22.72, 28.14, 31.26, 31.39, 32.43, 35.52, 36.36,
    41.33, 43.12, 45.00, 47.23, 48.62, 46.60, 45.28, 44.01, 45.17, 41.20, 43.41, 48.32, 45.65, 46.61, 53.34, 58.53];
  public chartLoad(): void {
    let i: number;
    let j: number = 0;
    for (i = 1973; i <= 2013; i++) {
      this.series1.push({ x: i, y: this.yValue[j] });
      j++;
    }
  }
  public primaryxAxis: AxisModel = { title: 'Months', majorGridLines: { width: 0 } };
  public primaryyAxis: AxisModel = {
    title: 'Rupees against Dollars', interval: 10,
    lineStyle: { width: 0 }, majorTickLines: { width: 0 }
  };
  public tooltip: TooltipSettingsModel = { enable: true };
  public chartarea: ChartAreaModel = { border: { width: 0 } };
  public marker = { visible: false };

  render() {
    this.chartLoad();
    return <ChartComponent id='charts'
      primaryXAxis={this.primaryxAxis}
      primaryYAxis={this.primaryyAxis}
      tooltip={this.tooltip}
      chartArea={this.chartarea}
      title='Historical Indian Rupee Rate (INR USD)'>
      <Inject services={[Category, Tooltip, ScatterSeries, SplineSeries, LineSeries, Trendlines]} />
      <SeriesCollectionDirective>
        <SeriesDirective dataSource={this.series1} xName='x' yName='y' name='Apple Inc' type='Scatter' fill='#0066FF'>
          <TrendlinesDirective>
            <TrendlineDirective type='Logarithmic' width={3} marker={this.marker}>
            </TrendlineDirective>
          </TrendlinesDirective>
        </SeriesDirective>
      </SeriesCollectionDirective>
    </ChartComponent>
  }

};
ReactDOM.render(<App />, document.getElementById("charts"));
Copied to clipboard
import * as React from "react";
import * as ReactDOM from "react-dom";
import { ChartComponent, SeriesCollectionDirective, SeriesDirective, TrendlineDirective, TrendlinesDirective, Inject, Tooltip, LineSeries, ScatterSeries, SplineSeries, Trendlines, Category } from '@syncfusion/ej2-react-charts';
class App extends React.Component {
    constructor() {
        super(...arguments);
        this.series1 = [];
        this.yValue = [7.66, 8.03, 8.41, 8.97, 8.77, 8.20, 8.16, 7.89, 8.68, 9.48, 10.11, 11.36, 12.34, 12.60, 12.95,
            13.91, 16.21, 17.50, 22.72, 28.14, 31.26, 31.39, 32.43, 35.52, 36.36,
            41.33, 43.12, 45.00, 47.23, 48.62, 46.60, 45.28, 44.01, 45.17, 41.20, 43.41, 48.32, 45.65, 46.61, 53.34, 58.53];
        this.primaryxAxis = { title: 'Months', majorGridLines: { width: 0 } };
        this.primaryyAxis = {
            title: 'Rupees against Dollars', interval: 10,
            lineStyle: { width: 0 }, majorTickLines: { width: 0 }
        };
        this.tooltip = { enable: true };
        this.chartarea = { border: { width: 0 } };
        this.marker = { visible: false };
    }
    chartLoad() {
        let i;
        let j = 0;
        for (i = 1973; i <= 2013; i++) {
            this.series1.push({ x: i, y: this.yValue[j] });
            j++;
        }
    }
    render() {
        this.chartLoad();
        return <ChartComponent id='charts' primaryXAxis={this.primaryxAxis} primaryYAxis={this.primaryyAxis} tooltip={this.tooltip} chartArea={this.chartarea} title='Historical Indian Rupee Rate (INR USD)'>
      <Inject services={[Category, Tooltip, ScatterSeries, SplineSeries, LineSeries, Trendlines]}/>
      <SeriesCollectionDirective>
        <SeriesDirective dataSource={this.series1} xName='x' yName='y' name='Apple Inc' type='Scatter' fill='#0066FF'>
          <TrendlinesDirective>
            <TrendlineDirective type='Logarithmic' width={3} marker={this.marker}>
            </TrendlineDirective>
          </TrendlinesDirective>
        </SeriesDirective>
      </SeriesCollectionDirective>
    </ChartComponent>;
    }
}
;
ReactDOM.render(<App />, document.getElementById("charts"));

Polynomial

A polynomial trendline is a curved line that is used when data fluctuates.

To render a polynomial trendline, use trendline type as Polynomial and inject Trendlines module using Chart.Inject(Trendlines).

polynomialOrder used to define the polynomial value.

Source
Preview
index.tsx
index.jsx
Copied to clipboard
import * as React from "react";
import * as ReactDOM from "react-dom";
import { Browser } from '@syncfusion/ej2-base';
import {
    ChartComponent, SeriesCollectionDirective, SeriesDirective, TrendlineDirective, TrendlinesDirective, Inject,
    Tooltip, LineSeries, ScatterSeries, SplineSeries, Trendlines, Category, ChartTheme
    ,AxisModel,TooltipSettingsModel,ChartAreaModel
} from '@syncfusion/ej2-react-charts';
import { DropDownListComponent } from '@syncfusion/ej2-react-dropdowns';
import { NumericTextBoxComponent } from '@syncfusion/ej2-react-inputs';
import { SampleBase } from '../common/sample-base';
import { PropertyPane } from '../common/property-pane';
import { EmitType } from '@syncfusion/ej2-base';

class App extends React.Component<{}, {}> {

  public series1: Object[] = [];
  public yValue: number[] = [7.66, 8.03, 8.41, 8.97, 8.77, 8.20, 8.16, 7.89, 8.68, 9.48, 10.11, 11.36, 12.34, 12.60, 12.95,
    13.91, 16.21, 17.50, 22.72, 28.14, 31.26, 31.39, 32.43, 35.52, 36.36,
    41.33, 43.12, 45.00, 47.23, 48.62, 46.60, 45.28, 44.01, 45.17, 41.20, 43.41, 48.32, 45.65, 46.61, 53.34, 58.53];
  public chartLoad(): void {
    let i: number;
    let j: number = 0;
    for (i = 1973; i <= 2013; i++) {
      this.series1.push({ x: i, y: this.yValue[j] });
      j++;
    }
  }
  public primaryxAxis: AxisModel = { title: 'Months', majorGridLines: { width: 0 } };
  public primaryyAxis: AxisModel = {
    title: 'Rupees against Dollars', interval: 10,
    lineStyle: { width: 0 }, majorTickLines: { width: 0 }
  };
  public tooltip: TooltipSettingsModel = { enable: true };
  public chartarea: ChartAreaModel = { border: { width: 0 } };
  public marker = { visible: false };

  render() {
    this.chartLoad();
    return <ChartComponent id='charts'
      primaryXAxis={this.primaryxAxis}
      primaryYAxis={this.primaryyAxis}
      tooltip={this.tooltip}
      chartArea={this.chartarea}
      title='Historical Indian Rupee Rate (INR USD)'>
      <Inject services={[Category, Tooltip, ScatterSeries, SplineSeries, LineSeries, Trendlines]} />
      <SeriesCollectionDirective>
        <SeriesDirective dataSource={this.series1} xName='x' yName='y' name='Apple Inc' type='Scatter' fill='#0066FF'>
          <TrendlinesDirective>
            <TrendlineDirective type='Polynomial' width={3} marker={this.marker}>
            </TrendlineDirective>
          </TrendlinesDirective>
        </SeriesDirective>
      </SeriesCollectionDirective>
    </ChartComponent>
  }

};
ReactDOM.render(<App />, document.getElementById("charts"));
Copied to clipboard
import * as React from "react";
import * as ReactDOM from "react-dom";
import { ChartComponent, SeriesCollectionDirective, SeriesDirective, TrendlineDirective, TrendlinesDirective, Inject, Tooltip, LineSeries, ScatterSeries, SplineSeries, Trendlines, Category } from '@syncfusion/ej2-react-charts';
class App extends React.Component {
    constructor() {
        super(...arguments);
        this.series1 = [];
        this.yValue = [7.66, 8.03, 8.41, 8.97, 8.77, 8.20, 8.16, 7.89, 8.68, 9.48, 10.11, 11.36, 12.34, 12.60, 12.95,
            13.91, 16.21, 17.50, 22.72, 28.14, 31.26, 31.39, 32.43, 35.52, 36.36,
            41.33, 43.12, 45.00, 47.23, 48.62, 46.60, 45.28, 44.01, 45.17, 41.20, 43.41, 48.32, 45.65, 46.61, 53.34, 58.53];
        this.primaryxAxis = { title: 'Months', majorGridLines: { width: 0 } };
        this.primaryyAxis = {
            title: 'Rupees against Dollars', interval: 10,
            lineStyle: { width: 0 }, majorTickLines: { width: 0 }
        };
        this.tooltip = { enable: true };
        this.chartarea = { border: { width: 0 } };
        this.marker = { visible: false };
    }
    chartLoad() {
        let i;
        let j = 0;
        for (i = 1973; i <= 2013; i++) {
            this.series1.push({ x: i, y: this.yValue[j] });
            j++;
        }
    }
    render() {
        this.chartLoad();
        return <ChartComponent id='charts' primaryXAxis={this.primaryxAxis} primaryYAxis={this.primaryyAxis} tooltip={this.tooltip} chartArea={this.chartarea} title='Historical Indian Rupee Rate (INR USD)'>
      <Inject services={[Category, Tooltip, ScatterSeries, SplineSeries, LineSeries, Trendlines]}/>
      <SeriesCollectionDirective>
        <SeriesDirective dataSource={this.series1} xName='x' yName='y' name='Apple Inc' type='Scatter' fill='#0066FF'>
          <TrendlinesDirective>
            <TrendlineDirective type='Polynomial' width={3} marker={this.marker}>
            </TrendlineDirective>
          </TrendlinesDirective>
        </SeriesDirective>
      </SeriesCollectionDirective>
    </ChartComponent>;
    }
}
;
ReactDOM.render(<App />, document.getElementById("charts"));

Power

A power trendline is a curved line that is best used with data sets that compare measurements that increase at a specific rate.

To render a power trendline, use trendline type as Power and inject Trendlines module using Chart.Inject(Trendlines).

Source
Preview
index.tsx
index.jsx
Copied to clipboard
import * as React from "react";
import * as ReactDOM from "react-dom";
import { Browser } from '@syncfusion/ej2-base';
import {
    ChartComponent, SeriesCollectionDirective, SeriesDirective, TrendlineDirective, TrendlinesDirective, Inject,
    Tooltip, LineSeries, ScatterSeries, SplineSeries, Trendlines, Category, ChartTheme
    ,AxisModel,TooltipSettingsModel,ChartAreaModel
} from '@syncfusion/ej2-react-charts';
import { DropDownListComponent } from '@syncfusion/ej2-react-dropdowns';
import { NumericTextBoxComponent } from '@syncfusion/ej2-react-inputs';
import { SampleBase } from '../common/sample-base';
import { PropertyPane } from '../common/property-pane';
import { EmitType } from '@syncfusion/ej2-base';

class App extends React.Component<{}, {}> {

  public powerData: object[] = [
    { x: 1, y: 10 }, { x: 2, y: 50 }, { x: 3, y: 80 }, { x: 4, y: 110 },
    { x: 5, y: 180 }, { x: 6, y: 220 }, { x: 7, y: 300 }, { x: 8, y: 370 }, { x: 9, y: 490 }, { x: 10, y: 500 }
  ];
  public primaryxAxis: AxisModel = { title: 'Months', majorGridLines: { width: 0 } };
  public primaryyAxis: AxisModel = {
    title: 'Rupees against Dollars', interval: 50,
    lineStyle: { width: 0 }, majorTickLines: { width: 0 }
  };
  public tooltip: TooltipSettingsModel = { enable: true };
  public chartarea: ChartAreaModel = { border: { width: 0 } };
  public marker = { visible: false };

  render() {
    return <ChartComponent id='charts'
      primaryXAxis={this.primaryxAxis}
      primaryYAxis={this.primaryyAxis}
      tooltip={this.tooltip}
      chartArea={this.chartarea}
      title='Historical Indian Rupee Rate (INR USD)'>
      <Inject services={[Category, Tooltip, ScatterSeries, SplineSeries, LineSeries, Trendlines]} />
      <SeriesCollectionDirective>
        <SeriesDirective dataSource={this.powerData} xName='x' yName='y' name='Apple Inc' type='Scatter' fill='#0066FF'>
          <TrendlinesDirective>
            <TrendlineDirective type='Power' width={3} marker={this.marker}>
            </TrendlineDirective>
          </TrendlinesDirective>
        </SeriesDirective>
      </SeriesCollectionDirective>
    </ChartComponent>
  }

};
ReactDOM.render(<App />, document.getElementById("charts"));
Copied to clipboard
import * as React from "react";
import * as ReactDOM from "react-dom";
import { ChartComponent, SeriesCollectionDirective, SeriesDirective, TrendlineDirective, TrendlinesDirective, Inject, Tooltip, LineSeries, ScatterSeries, SplineSeries, Trendlines, Category } from '@syncfusion/ej2-react-charts';
class App extends React.Component {
    constructor() {
        super(...arguments);
        this.powerData = [
            { x: 1, y: 10 }, { x: 2, y: 50 }, { x: 3, y: 80 }, { x: 4, y: 110 },
            { x: 5, y: 180 }, { x: 6, y: 220 }, { x: 7, y: 300 }, { x: 8, y: 370 }, { x: 9, y: 490 }, { x: 10, y: 500 }
        ];
        this.primaryxAxis = { title: 'Months', majorGridLines: { width: 0 } };
        this.primaryyAxis = {
            title: 'Rupees against Dollars', interval: 50,
            lineStyle: { width: 0 }, majorTickLines: { width: 0 }
        };
        this.tooltip = { enable: true };
        this.chartarea = { border: { width: 0 } };
        this.marker = { visible: false };
    }
    render() {
        return <ChartComponent id='charts' primaryXAxis={this.primaryxAxis} primaryYAxis={this.primaryyAxis} tooltip={this.tooltip} chartArea={this.chartarea} title='Historical Indian Rupee Rate (INR USD)'>
      <Inject services={[Category, Tooltip, ScatterSeries, SplineSeries, LineSeries, Trendlines]}/>
      <SeriesCollectionDirective>
        <SeriesDirective dataSource={this.powerData} xName='x' yName='y' name='Apple Inc' type='Scatter' fill='#0066FF'>
          <TrendlinesDirective>
            <TrendlineDirective type='Power' width={3} marker={this.marker}>
            </TrendlineDirective>
          </TrendlinesDirective>
        </SeriesDirective>
      </SeriesCollectionDirective>
    </ChartComponent>;
    }
}
;
ReactDOM.render(<App />, document.getElementById("charts"));

Moving Average

A moving average trendline smoothen out fluctuations in data to show a pattern or trend more clearly.

To render a moving average trendline, use trendline type as MovingAverage and inject Trendlines module using Chart.Inject(Trendlines).

period property defines the period to find the moving average.

Source
Preview
index.tsx
index.jsx
Copied to clipboard
import * as React from "react";
import * as ReactDOM from "react-dom";
import { Browser } from '@syncfusion/ej2-base';
import {
    ChartComponent, SeriesCollectionDirective, SeriesDirective, TrendlineDirective, TrendlinesDirective, Inject,
    Tooltip, LineSeries, ScatterSeries, SplineSeries, Trendlines, Category, ChartTheme
    ,AxisModel,TooltipSettingsModel,ChartAreaModel
} from '@syncfusion/ej2-react-charts';
import { DropDownListComponent } from '@syncfusion/ej2-react-dropdowns';
import { NumericTextBoxComponent } from '@syncfusion/ej2-react-inputs';
import { SampleBase } from '../common/sample-base';
import { PropertyPane } from '../common/property-pane';
import { EmitType } from '@syncfusion/ej2-base';

class App extends React.Component<{}, {}> {

  public series1: Object[] = [];
  public yValue: number[] = [7.66, 8.03, 8.41, 8.97, 8.77, 8.20, 8.16, 7.89, 8.68, 9.48, 10.11, 11.36, 12.34, 12.60, 12.95,
    13.91, 16.21, 17.50, 22.72, 28.14, 31.26, 31.39, 32.43, 35.52, 36.36,
    41.33, 43.12, 45.00, 47.23, 48.62, 46.60, 45.28, 44.01, 45.17, 41.20, 43.41, 48.32, 45.65, 46.61, 53.34, 58.53];
  public chartLoad(): void {
    let i: number;
    let j: number = 0;
    for (i = 1973; i <= 2013; i++) {
      this.series1.push({ x: i, y: this.yValue[j] });
      j++;
    }
  }
  public primaryxAxis: AxisModel = { title: 'Months', majorGridLines: { width: 0 } };
  public primaryyAxis: AxisModel = {
    title: 'Rupees against Dollars', interval: 10,
    lineStyle: { width: 0 }, majorTickLines: { width: 0 }
  };
  public tooltip: TooltipSettingsModel = { enable: true };
  public chartarea: ChartAreaModel = { border: { width: 0 } };
  public marker = { visible: false };

  render() {
    this.chartLoad();
    return <ChartComponent id='charts'
      primaryXAxis={this.primaryxAxis}
      primaryYAxis={this.primaryyAxis}
      tooltip={this.tooltip}
      chartArea={this.chartarea}
      title='Historical Indian Rupee Rate (INR USD)'>
      <Inject services={[Category, Tooltip, ScatterSeries, SplineSeries, LineSeries, Trendlines]} />
      <SeriesCollectionDirective>
        <SeriesDirective dataSource={this.series1} xName='x' yName='y' name='Apple Inc' type='Scatter' fill='#0066FF'>
          <TrendlinesDirective>
            <TrendlineDirective type='MovingAverage' width={3} marker={this.marker}>
            </TrendlineDirective>
          </TrendlinesDirective>
        </SeriesDirective>
      </SeriesCollectionDirective>
    </ChartComponent>
  }

};
ReactDOM.render(<App />, document.getElementById("charts"));
Copied to clipboard
import * as React from "react";
import * as ReactDOM from "react-dom";
import { ChartComponent, SeriesCollectionDirective, SeriesDirective, TrendlineDirective, TrendlinesDirective, Inject, Tooltip, LineSeries, ScatterSeries, SplineSeries, Trendlines, Category } from '@syncfusion/ej2-react-charts';
class App extends React.Component {
    constructor() {
        super(...arguments);
        this.series1 = [];
        this.yValue = [7.66, 8.03, 8.41, 8.97, 8.77, 8.20, 8.16, 7.89, 8.68, 9.48, 10.11, 11.36, 12.34, 12.60, 12.95,
            13.91, 16.21, 17.50, 22.72, 28.14, 31.26, 31.39, 32.43, 35.52, 36.36,
            41.33, 43.12, 45.00, 47.23, 48.62, 46.60, 45.28, 44.01, 45.17, 41.20, 43.41, 48.32, 45.65, 46.61, 53.34, 58.53];
        this.primaryxAxis = { title: 'Months', majorGridLines: { width: 0 } };
        this.primaryyAxis = {
            title: 'Rupees against Dollars', interval: 10,
            lineStyle: { width: 0 }, majorTickLines: { width: 0 }
        };
        this.tooltip = { enable: true };
        this.chartarea = { border: { width: 0 } };
        this.marker = { visible: false };
    }
    chartLoad() {
        let i;
        let j = 0;
        for (i = 1973; i <= 2013; i++) {
            this.series1.push({ x: i, y: this.yValue[j] });
            j++;
        }
    }
    render() {
        this.chartLoad();
        return <ChartComponent id='charts' primaryXAxis={this.primaryxAxis} primaryYAxis={this.primaryyAxis} tooltip={this.tooltip} chartArea={this.chartarea} title='Historical Indian Rupee Rate (INR USD)'>
      <Inject services={[Category, Tooltip, ScatterSeries, SplineSeries, LineSeries, Trendlines]}/>
      <SeriesCollectionDirective>
        <SeriesDirective dataSource={this.series1} xName='x' yName='y' name='Apple Inc' type='Scatter' fill='#0066FF'>
          <TrendlinesDirective>
            <TrendlineDirective type='MovingAverage' width={3} marker={this.marker}>
            </TrendlineDirective>
          </TrendlinesDirective>
        </SeriesDirective>
      </SeriesCollectionDirective>
    </ChartComponent>;
    }
}
;
ReactDOM.render(<App />, document.getElementById("charts"));

Customization of Trendline

The fill and width properties are used to customize the appearance of the trendline.

Source
Preview
index.tsx
index.jsx
Copied to clipboard
import * as React from "react";
import * as ReactDOM from "react-dom";
import { Browser } from '@syncfusion/ej2-base';
import {
    ChartComponent, SeriesCollectionDirective, SeriesDirective, TrendlineDirective, TrendlinesDirective, Inject,
    Tooltip, LineSeries, ScatterSeries, SplineSeries, Trendlines, Category, ChartTheme,AxisModel,TooltipSettingsModel,ChartAreaModel
} from '@syncfusion/ej2-react-charts';
import { DropDownListComponent } from '@syncfusion/ej2-react-dropdowns';
import { NumericTextBoxComponent } from '@syncfusion/ej2-react-inputs';
import { SampleBase } from '../common/sample-base';
import { PropertyPane } from '../common/property-pane';
import { EmitType } from '@syncfusion/ej2-base';

class App extends React.Component<{}, {}> {

  public series1: Object[] = [];
  public yValue: number[] = [7.66, 8.03, 8.41, 8.97, 8.77, 8.20, 8.16, 7.89, 8.68, 9.48, 10.11, 11.36, 12.34, 12.60, 12.95,
    13.91, 16.21, 17.50, 22.72, 28.14, 31.26, 31.39, 32.43, 35.52, 36.36,
    41.33, 43.12, 45.00, 47.23, 48.62, 46.60, 45.28, 44.01, 45.17, 41.20, 43.41, 48.32, 45.65, 46.61, 53.34, 58.53];
  public chartLoad(): void {
    let i: number;
    let j: number = 0;
    for (i = 1973; i <= 2013; i++) {
      this.series1.push({ x: i, y: this.yValue[j] });
      j++;
    }
  }
  public primaryxAxis: AxisModel = { title: 'Months', majorGridLines: { width: 0 } };
  public primaryyAxis: AxisModel = {
    title: 'Rupees against Dollars', interval: 10,
    lineStyle: { width: 0 }, majorTickLines: { width: 0 }
  };
  public tooltip: TooltipSettingsModel = { enable: true };
  public chartarea: ChartAreaModel = { border: { width: 0 } };
  public marker = { visible: false };

  render() {
    this.chartLoad();
    return <ChartComponent id='charts'
      primaryXAxis={this.primaryxAxis}
      primaryYAxis={this.primaryyAxis}
      tooltip={this.tooltip}
      chartArea={this.chartarea}
      title='Historical Indian Rupee Rate (INR USD)'>
      <Inject services={[Category, Tooltip, ScatterSeries, SplineSeries, LineSeries, Trendlines]} />
      <SeriesCollectionDirective>
        <SeriesDirective dataSource={this.series1} xName='x' yName='y' name='Apple Inc' type='Scatter' fill='#0066FF'>
          <TrendlinesDirective>
            <TrendlineDirective type='Linear' fill='red' width={3} marker={this.marker}>
            </TrendlineDirective>
          </TrendlinesDirective>
        </SeriesDirective>
      </SeriesCollectionDirective>
    </ChartComponent>
  }

};
ReactDOM.render(<App />, document.getElementById("charts"));
Copied to clipboard
import * as React from "react";
import * as ReactDOM from "react-dom";
import { ChartComponent, SeriesCollectionDirective, SeriesDirective, TrendlineDirective, TrendlinesDirective, Inject, Tooltip, LineSeries, ScatterSeries, SplineSeries, Trendlines, Category } from '@syncfusion/ej2-react-charts';
class App extends React.Component {
    constructor() {
        super(...arguments);
        this.series1 = [];
        this.yValue = [7.66, 8.03, 8.41, 8.97, 8.77, 8.20, 8.16, 7.89, 8.68, 9.48, 10.11, 11.36, 12.34, 12.60, 12.95,
            13.91, 16.21, 17.50, 22.72, 28.14, 31.26, 31.39, 32.43, 35.52, 36.36,
            41.33, 43.12, 45.00, 47.23, 48.62, 46.60, 45.28, 44.01, 45.17, 41.20, 43.41, 48.32, 45.65, 46.61, 53.34, 58.53];
        this.primaryxAxis = { title: 'Months', majorGridLines: { width: 0 } };
        this.primaryyAxis = {
            title: 'Rupees against Dollars', interval: 10,
            lineStyle: { width: 0 }, majorTickLines: { width: 0 }
        };
        this.tooltip = { enable: true };
        this.chartarea = { border: { width: 0 } };
        this.marker = { visible: false };
    }
    chartLoad() {
        let i;
        let j = 0;
        for (i = 1973; i <= 2013; i++) {
            this.series1.push({ x: i, y: this.yValue[j] });
            j++;
        }
    }
    render() {
        this.chartLoad();
        return <ChartComponent id='charts' primaryXAxis={this.primaryxAxis} primaryYAxis={this.primaryyAxis} tooltip={this.tooltip} chartArea={this.chartarea} title='Historical Indian Rupee Rate (INR USD)'>
      <Inject services={[Category, Tooltip, ScatterSeries, SplineSeries, LineSeries, Trendlines]}/>
      <SeriesCollectionDirective>
        <SeriesDirective dataSource={this.series1} xName='x' yName='y' name='Apple Inc' type='Scatter' fill='#0066FF'>
          <TrendlinesDirective>
            <TrendlineDirective type='Linear' fill='red' width={3} marker={this.marker}>
            </TrendlineDirective>
          </TrendlinesDirective>
        </SeriesDirective>
      </SeriesCollectionDirective>
    </ChartComponent>;
    }
}
;
ReactDOM.render(<App />, document.getElementById("charts"));

Forecasting

Trendline forecasting is the prediction of future/past situations.

Forward Forecasting and Backward Forecasting are the two types of forecasting.

Forward Forecasting

The value set for forwardForecast is used to determine the distance moving towards the future trend.

Source
Preview
index.tsx
index.jsx
Copied to clipboard
import * as React from "react";
import * as ReactDOM from "react-dom";
import { Browser } from '@syncfusion/ej2-base';
import {
    ChartComponent, SeriesCollectionDirective, SeriesDirective, TrendlineDirective, TrendlinesDirective, Inject,
    Tooltip, LineSeries, ScatterSeries, SplineSeries, Trendlines, Category, ChartTheme,AxisModel,TooltipSettingsModel,ChartAreaModel
} from '@syncfusion/ej2-react-charts';
import { DropDownListComponent } from '@syncfusion/ej2-react-dropdowns';
import { NumericTextBoxComponent } from '@syncfusion/ej2-react-inputs';
import { SampleBase } from '../common/sample-base';
import { PropertyPane } from '../common/property-pane';
import { EmitType } from '@syncfusion/ej2-base';

class App extends React.Component<{}, {}> {

  public series1: Object[] = [];
  public yValue: number[] = [7.66, 8.03, 8.41, 8.97, 8.77, 8.20, 8.16, 7.89, 8.68, 9.48, 10.11, 11.36, 12.34, 12.60, 12.95,
    13.91, 16.21, 17.50, 22.72, 28.14, 31.26, 31.39, 32.43, 35.52, 36.36,
    41.33, 43.12, 45.00, 47.23, 48.62, 46.60, 45.28, 44.01, 45.17, 41.20, 43.41, 48.32, 45.65, 46.61, 53.34, 58.53];
  public chartLoad(): void {
    let i: number;
    let j: number = 0;
    for (i = 1973; i <= 2013; i++) {
      this.series1.push({ x: i, y: this.yValue[j] });
      j++;
    }
  }
  public primaryxAxis: AxisModel = { title: 'Months', majorGridLines: { width: 0 } };
  public primaryyAxis: AxisModel = {
    title: 'Rupees against Dollars', interval: 10,
    lineStyle: { width: 0 }, majorTickLines: { width: 0 }
  };
  public tooltip: TooltipSettingsModel = { enable: true };
  public chartarea: ChartAreaModel = { border: { width: 0 } };
  public marker = { visible: false };

  render() {
    this.chartLoad();
    return <ChartComponent id='charts'
      primaryXAxis={this.primaryxAxis}
      primaryYAxis={this.primaryyAxis}
      tooltip={this.tooltip}
      chartArea={this.chartarea}
      title='Historical Indian Rupee Rate (INR USD)'>
      <Inject services={[Category, Tooltip, ScatterSeries, SplineSeries, LineSeries, Trendlines]} />
      <SeriesCollectionDirective>
        <SeriesDirective dataSource={this.series1} xName='x' yName='y' name='Apple Inc' type='Scatter' fill='#0066FF'>
          <TrendlinesDirective>
            <TrendlineDirective type='Linear' backwardForecast={5} width={3} marker={this.marker}>
            </TrendlineDirective>
          </TrendlinesDirective>
        </SeriesDirective>
      </SeriesCollectionDirective>
    </ChartComponent>
  }

};
ReactDOM.render(<App />, document.getElementById("charts"));
Copied to clipboard
import * as React from "react";
import * as ReactDOM from "react-dom";
import { ChartComponent, SeriesCollectionDirective, SeriesDirective, TrendlineDirective, TrendlinesDirective, Inject, Tooltip, LineSeries, ScatterSeries, SplineSeries, Trendlines, Category } from '@syncfusion/ej2-react-charts';
class App extends React.Component {
    constructor() {
        super(...arguments);
        this.series1 = [];
        this.yValue = [7.66, 8.03, 8.41, 8.97, 8.77, 8.20, 8.16, 7.89, 8.68, 9.48, 10.11, 11.36, 12.34, 12.60, 12.95,
            13.91, 16.21, 17.50, 22.72, 28.14, 31.26, 31.39, 32.43, 35.52, 36.36,
            41.33, 43.12, 45.00, 47.23, 48.62, 46.60, 45.28, 44.01, 45.17, 41.20, 43.41, 48.32, 45.65, 46.61, 53.34, 58.53];
        this.primaryxAxis = { title: 'Months', majorGridLines: { width: 0 } };
        this.primaryyAxis = {
            title: 'Rupees against Dollars', interval: 10,
            lineStyle: { width: 0 }, majorTickLines: { width: 0 }
        };
        this.tooltip = { enable: true };
        this.chartarea = { border: { width: 0 } };
        this.marker = { visible: false };
    }
    chartLoad() {
        let i;
        let j = 0;
        for (i = 1973; i <= 2013; i++) {
            this.series1.push({ x: i, y: this.yValue[j] });
            j++;
        }
    }
    render() {
        this.chartLoad();
        return <ChartComponent id='charts' primaryXAxis={this.primaryxAxis} primaryYAxis={this.primaryyAxis} tooltip={this.tooltip} chartArea={this.chartarea} title='Historical Indian Rupee Rate (INR USD)'>
      <Inject services={[Category, Tooltip, ScatterSeries, SplineSeries, LineSeries, Trendlines]}/>
      <SeriesCollectionDirective>
        <SeriesDirective dataSource={this.series1} xName='x' yName='y' name='Apple Inc' type='Scatter' fill='#0066FF'>
          <TrendlinesDirective>
            <TrendlineDirective type='Linear' backwardForecast={5} width={3} marker={this.marker}>
            </TrendlineDirective>
          </TrendlinesDirective>
        </SeriesDirective>
      </SeriesCollectionDirective>
    </ChartComponent>;
    }
}
;
ReactDOM.render(<App />, document.getElementById("charts"));

Backward Forecasting

The value set for the backwardForecast is used to determine the past trends.

Source
Preview
index.tsx
index.jsx
Copied to clipboard
import * as React from "react";
import * as ReactDOM from "react-dom";
import { Browser } from '@syncfusion/ej2-base';
import {
    ChartComponent, SeriesCollectionDirective, SeriesDirective, TrendlineDirective, TrendlinesDirective, Inject,
    Tooltip, LineSeries, ScatterSeries, SplineSeries, Trendlines, Category, ChartTheme,AxisModel,TooltipSettingsModel,ChartAreaModel
} from '@syncfusion/ej2-react-charts';
import { DropDownListComponent } from '@syncfusion/ej2-react-dropdowns';
import { NumericTextBoxComponent } from '@syncfusion/ej2-react-inputs';
import { SampleBase } from '../common/sample-base';
import { PropertyPane } from '../common/property-pane';
import { EmitType } from '@syncfusion/ej2-base';


class App extends React.Component<{}, {}> {

  public series1: Object[] = [];
  public yValue: number[] = [7.66, 8.03, 8.41, 8.97, 8.77, 8.20, 8.16, 7.89, 8.68, 9.48, 10.11, 11.36, 12.34, 12.60, 12.95,
    13.91, 16.21, 17.50, 22.72, 28.14, 31.26, 31.39, 32.43, 35.52, 36.36,
    41.33, 43.12, 45.00, 47.23, 48.62, 46.60, 45.28, 44.01, 45.17, 41.20, 43.41, 48.32, 45.65, 46.61, 53.34, 58.53];
  public chartLoad(): void {
    let i: number;
    let j: number = 0;
    for (i = 1973; i <= 2013; i++) {
      this.series1.push({ x: i, y: this.yValue[j] });
      j++;
    }
  }
  public primaryxAxis: AxisModel = { title: 'Months', majorGridLines: { width: 0 } };
  public primaryyAxis: AxisModel = {
    title: 'Rupees against Dollars', interval: 10,
    lineStyle: { width: 0 }, majorTickLines: { width: 0 }
  };
  public tooltip: TooltipSettingsModel = { enable: true };
  public chartarea: ChartAreaModel = { border: { width: 0 } };
  public marker = { visible: false };

  render() {
    this.chartLoad();
    return <ChartComponent id='charts'
      primaryXAxis={this.primaryxAxis}
      primaryYAxis={this.primaryyAxis}
      tooltip={this.tooltip}
      chartArea={this.chartarea}
      title='Historical Indian Rupee Rate (INR USD)'>
      <Inject services={[Category, Tooltip, ScatterSeries, SplineSeries, LineSeries, Trendlines]} />
      <SeriesCollectionDirective>
        <SeriesDirective dataSource={this.series1} xName='x' yName='y' name='Apple Inc' type='Scatter' fill='#0066FF'>
          <TrendlinesDirective>
            <TrendlineDirective type='Linear' backwardForecast={5} width={3} marker={this.marker}>
            </TrendlineDirective>
          </TrendlinesDirective>
        </SeriesDirective>
      </SeriesCollectionDirective>
    </ChartComponent>
  }

};
ReactDOM.render(<App />, document.getElementById("charts"));
Copied to clipboard
import * as React from "react";
import * as ReactDOM from "react-dom";
import { ChartComponent, SeriesCollectionDirective, SeriesDirective, TrendlineDirective, TrendlinesDirective, Inject, Tooltip, LineSeries, ScatterSeries, SplineSeries, Trendlines, Category } from '@syncfusion/ej2-react-charts';
class App extends React.Component {
    constructor() {
        super(...arguments);
        this.series1 = [];
        this.yValue = [7.66, 8.03, 8.41, 8.97, 8.77, 8.20, 8.16, 7.89, 8.68, 9.48, 10.11, 11.36, 12.34, 12.60, 12.95,
            13.91, 16.21, 17.50, 22.72, 28.14, 31.26, 31.39, 32.43, 35.52, 36.36,
            41.33, 43.12, 45.00, 47.23, 48.62, 46.60, 45.28, 44.01, 45.17, 41.20, 43.41, 48.32, 45.65, 46.61, 53.34, 58.53];
        this.primaryxAxis = { title: 'Months', majorGridLines: { width: 0 } };
        this.primaryyAxis = {
            title: 'Rupees against Dollars', interval: 10,
            lineStyle: { width: 0 }, majorTickLines: { width: 0 }
        };
        this.tooltip = { enable: true };
        this.chartarea = { border: { width: 0 } };
        this.marker = { visible: false };
    }
    chartLoad() {
        let i;
        let j = 0;
        for (i = 1973; i <= 2013; i++) {
            this.series1.push({ x: i, y: this.yValue[j] });
            j++;
        }
    }
    render() {
        this.chartLoad();
        return <ChartComponent id='charts' primaryXAxis={this.primaryxAxis} primaryYAxis={this.primaryyAxis} tooltip={this.tooltip} chartArea={this.chartarea} title='Historical Indian Rupee Rate (INR USD)'>
      <Inject services={[Category, Tooltip, ScatterSeries, SplineSeries, LineSeries, Trendlines]}/>
      <SeriesCollectionDirective>
        <SeriesDirective dataSource={this.series1} xName='x' yName='y' name='Apple Inc' type='Scatter' fill='#0066FF'>
          <TrendlinesDirective>
            <TrendlineDirective type='Linear' backwardForecast={5} width={3} marker={this.marker}>
            </TrendlineDirective>
          </TrendlinesDirective>
        </SeriesDirective>
      </SeriesCollectionDirective>
    </ChartComponent>;
    }
}
;
ReactDOM.render(<App />, document.getElementById("charts"));
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