Module

x/vega_lite/examples/compiled/bar_array_aggregate.vg.json

A concise grammar of interactive graphics, built on Vega.
Latest
File
{ "$schema": "https://vega.github.io/schema/vega/v5.json", "background": "white", "padding": 5, "height": 200, "style": "cell", "data": [ { "name": "source_0", "values": [ {"a": "C", "b": 2}, {"a": "C", "b": 7}, {"a": "C", "b": 4}, {"a": "D", "b": 1}, {"a": "D", "b": 2}, {"a": "D", "b": 6}, {"a": "E", "b": 8}, {"a": "E", "b": 4}, {"a": "E", "b": 7} ] }, { "name": "data_0", "source": "source_0", "transform": [ { "type": "aggregate", "groupby": ["a"], "ops": ["average"], "fields": ["b"], "as": ["average_b"] }, { "type": "filter", "expr": "isValid(datum[\"average_b\"]) && isFinite(+datum[\"average_b\"])" } ] } ], "signals": [ {"name": "x_step", "value": 20}, { "name": "width", "update": "bandspace(domain('x').length, 0.1, 0.05) * x_step" } ], "marks": [ { "name": "marks", "type": "rect", "style": ["bar"], "from": {"data": "data_0"}, "encode": { "update": { "fill": {"value": "#4c78a8"}, "ariaRoleDescription": {"value": "bar"}, "description": { "signal": "\"a: \" + (isValid(datum[\"a\"]) ? datum[\"a\"] : \"\"+datum[\"a\"]) + \"; Average of b: \" + (format(datum[\"average_b\"], \"\"))" }, "x": {"scale": "x", "field": "a"}, "width": {"scale": "x", "band": 1}, "y": {"scale": "y", "field": "average_b"}, "y2": {"scale": "y", "value": 0} } } } ], "scales": [ { "name": "x", "type": "band", "domain": {"data": "data_0", "field": "a", "sort": true}, "range": {"step": {"signal": "x_step"}}, "paddingInner": 0.1, "paddingOuter": 0.05 }, { "name": "y", "type": "linear", "domain": {"data": "data_0", "field": "average_b"}, "range": [{"signal": "height"}, 0], "nice": true, "zero": true } ], "axes": [ { "scale": "y", "orient": "left", "gridScale": "x", "grid": true, "tickCount": {"signal": "ceil(height/40)"}, "domain": false, "labels": false, "aria": false, "maxExtent": 0, "minExtent": 0, "ticks": false, "zindex": 0 }, { "scale": "x", "orient": "bottom", "grid": false, "title": "a", "labelAlign": "right", "labelAngle": 270, "labelBaseline": "middle", "zindex": 0 }, { "scale": "y", "orient": "left", "grid": false, "title": "Average of b", "labelOverlap": true, "tickCount": {"signal": "ceil(height/40)"}, "zindex": 0 } ]}