<p>Grouped Bar Chart - uses VegaLite schema</p>
<cob-chart>
    <script type="application/json" slot="config">
        {
            "$schema": "https://vega.github.io/schema/vega-lite/v2.json",
            "boston": {
                "chartID": "groupedBarSelect1",
                "minWidth": 500,
                "defaultSelection": "City Clerk"
            },
            "height": 400,
            "width": 10,
            "data": {
                "name": "data",
                "url": "https://s3.amazonaws.com/public-budget-data/test-data/testData-BarCharts.csv"
            },
            "transform": [{
                "filter": "datum.dept == 'City Clerk'"
            }],
            "mark": {
                "type": "bar"
            },
            "encoding": {
                "column": {
                    "field": "year",
                    "type": "ordinal",
                    "title": "",
                    "header": {
                        "labelFontSize": 14,
                        "labelFont": "Lora"
                    }
                },
                "color": {
                    "field": "program",
                    "type": "nominal",
                    "legend": {
                        "orient": "bottom",
                        "labelFont": "Lora",
                        "labelFontSize": 16,
                        "labelLimit": 500,
                        "titleFont": "Montserrat",
                        "title": ""
                    }
                },
                "y": {
                    "field": "budget",
                    "type": "quantitative",
                    "axis": {
                        "title": ""
                    }
                },
                "x": {
                    "field": "program",
                    "type": "nominal",
                    "sort": {
                        "op": "sum",
                        "field": "budget",
                        "order": "descending"
                    },
                    "axis": {
                        "title": "",
                        "grid": false,
                        "labels": false,
                        "ticks": false
                    }
                }
            },
            "config": {
                "point": {
                    "size": 60
                },
                "numberFormat": "s",
                "title": {
                    "font": "Montserrat",
                    "fontSize": 20
                },
                "axis": {
                    "labelFont": "Lora",
                    "labelFontSize": 16,
                    "labelLimit": 500,
                    "titleFont": "Montserrat",
                    "titleFontSize": 16,
                    "titleFontWeight": "normal",
                    "titlePadding": 15
                }
            }
        }
    </script>
</cob-chart>