Function linePlot

src/danfojs-base/plotting/plotly/line.ts:32–132

(ndframe: DataFrame | Series, divId: string, plotConfig: InternalPlotConfigObject, Plotly: any)

* @param Plotly Plotly package passed from the class.
*/
export const linePlot = (ndframe: DataFrame | Series, divId: string, plotConfig: InternalPlotConfigObject, Plotly: any) => {
    const config = plotConfig["config"]
    const layout = plotConfig["layout"]

    if (ndframe instanceof Series) {
        const y = ndframe.values as any;
        let trace: Data = {
            x: ndframe.index as any,
            y,
            type: 'scatter',
            mode: 'lines',
        };

        Plotly.newPlot(divId, [trace], layout, config);

    } else {

        if (config["x"] && config["y"]) {
            //Plotting two columns against each other, when user specifies x and y column names in configuration
            throwErrorOnWrongColName(ndframe, config["x"]);
            throwErrorOnWrongColName(ndframe, config["y"]);

            const x = ndframe[config.x].values;
            const y = ndframe[config.y].values;

            const trace: Data = { x, y };
            const _layout = {
                xaxis: {
                    title: config.x,
                },
                yaxis: {
                    title: config.y,
                },
                ...layout,
            };

            Plotly.newPlot(divId, [trace], _layout, config);

        } else if (config["x"] || config["y"]) {
            //plot single column specified in either of param [x | y] against index
            if (config["x"]) {
                throwErrorOnWrongColName(ndframe, config.x);

                const x = ndframe[config.x].values;
                const y = ndframe.index;

                const trace: Data = { x, y };
                const _layout = {
                    xaxis: {
                        title: config.x,
                    },
                    yaxis: {
                        title: "Index",
                    },
                    ...layout,
                };

                Plotly.newPlot(divId, [trace], _layout, config);