How to use the igniteui-angular-charts/ES5/igx-column-series-component.IgxColumnSeriesComponent function in igniteui-angular-charts

public setSeries(seriesType: string) {

        if (seriesType === "Column") {

            const series1 = new IgxColumnSeriesComponent();
            series1.name = "series1";
            series1.valueMemberPath = "USA";
            series1.title = "USA";
            series1.xAxis = this.xAxis;
            series1.yAxis = this.yAxis;

            const series2 = new IgxColumnSeriesComponent();
            series2.name = "series2";
            series2.valueMemberPath = "RUS";
            series2.title = "Russia";
            series2.xAxis = this.xAxis;
            series2.yAxis = this.yAxis;

            this.chart.series.clear();
            this.chart.series.add(series1);
            this.chart.series.add(series2);

        } else if (seriesType === "Line") {

            const series1 = new IgxLineSeriesComponent();
            series1.name = "series1";
            series1.markerType = MarkerType.Circle;
            series1.valueMemberPath = "USA";

public initCategorySeries() {
        this.columnSeries1 = new IgxColumnSeriesComponent();
        this.columnSeries1.dataSource = this.categoryData;
        this.columnSeries1.xAxis = this.categoryXAxis;
        this.columnSeries1.yAxis = this.numericYAxis;
        this.columnSeries1.valueMemberPath = "USA";

        this.columnSeries2 = new IgxColumnSeriesComponent();
        this.columnSeries2.dataSource = this.categoryData;
        this.columnSeries2.xAxis = this.categoryXAxis;
        this.columnSeries2.yAxis = this.numericYAxis;
        this.columnSeries2.valueMemberPath = "RUS";

        this.barSeries1 = new IgxBarSeriesComponent();
        this.barSeries1.dataSource = this.categoryData;
        this.barSeries1.xAxis = this.numericXAxis;
        this.barSeries1.yAxis = this.categoryYAxis;
        this.barSeries1.valueMemberPath = "USA";

        this.barSeries2 = new IgxBarSeriesComponent();
        this.barSeries2.dataSource = this.categoryData;
        this.barSeries2.xAxis = this.numericXAxis;
        this.barSeries2.yAxis = this.categoryYAxis;
        this.barSeries2.valueMemberPath = "RUS";

public setSeries(seriesType: string) {

        if (seriesType === "Column") {

            const series1 = new IgxColumnSeriesComponent();
            series1.name = "series1";
            series1.valueMemberPath = "USA";
            series1.title = "USA";
            series1.xAxis = this.xAxis;
            series1.yAxis = this.yAxis;

            const series2 = new IgxColumnSeriesComponent();
            series2.name = "series2";
            series2.valueMemberPath = "RUS";
            series2.title = "Russia";
            series2.xAxis = this.xAxis;
            series2.yAxis = this.yAxis;

            this.chart.series.clear();
            this.chart.series.add(series1);
            this.chart.series.add(series2);

public initCategorySeries() {
        this.columnSeries1 = new IgxColumnSeriesComponent();
        this.columnSeries1.dataSource = this.categoryData;
        this.columnSeries1.xAxis = this.categoryXAxis;
        this.columnSeries1.yAxis = this.numericYAxis;
        this.columnSeries1.valueMemberPath = "USA";

        this.columnSeries2 = new IgxColumnSeriesComponent();
        this.columnSeries2.dataSource = this.categoryData;
        this.columnSeries2.xAxis = this.categoryXAxis;
        this.columnSeries2.yAxis = this.numericYAxis;
        this.columnSeries2.valueMemberPath = "RUS";

        this.barSeries1 = new IgxBarSeriesComponent();
        this.barSeries1.dataSource = this.categoryData;
        this.barSeries1.xAxis = this.numericXAxis;
        this.barSeries1.yAxis = this.categoryYAxis;
        this.barSeries1.valueMemberPath = "USA";