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area.vg.json
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area.vg.json
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{
"$schema": "https://vega.github.io/schema/vega/v5.json",
"background": "white",
"padding": 5,
"width": 300,
"height": 200,
"style": "cell",
"data": [
{
"name": "source_0",
"url": "data/unemployment-across-industries.json",
"format": {"type": "json", "parse": {"date": "date"}},
"transform": [
{
"field": "date",
"type": "timeunit",
"units": ["year", "month"],
"as": ["yearmonth_date", "yearmonth_date_end"]
},
{
"type": "aggregate",
"groupby": ["yearmonth_date"],
"ops": ["sum"],
"fields": ["count"],
"as": ["sum_count"]
}
]
}
],
"marks": [
{
"name": "marks",
"type": "area",
"style": ["area"],
"sort": {"field": "datum[\"yearmonth_date\"]"},
"from": {"data": "source_0"},
"encode": {
"update": {
"orient": {"value": "vertical"},
"fill": {"value": "#4c78a8"},
"description": {
"signal": "\"date (year-month): \" + (timeFormat(datum[\"yearmonth_date\"], '%Y')) + \"; count: \" + (format(datum[\"sum_count\"], \"\"))"
},
"x": {"scale": "x", "field": "yearmonth_date"},
"y": {"scale": "y", "field": "sum_count"},
"y2": {"scale": "y", "value": 0},
"defined": {
"signal": "isValid(datum[\"yearmonth_date\"]) && isFinite(+datum[\"yearmonth_date\"]) && isValid(datum[\"sum_count\"]) && isFinite(+datum[\"sum_count\"])"
}
}
}
}
],
"scales": [
{
"name": "x",
"type": "time",
"domain": {"data": "source_0", "field": "yearmonth_date"},
"range": [0, {"signal": "width"}]
},
{
"name": "y",
"type": "linear",
"domain": {"data": "source_0", "field": "sum_count"},
"range": [{"signal": "height"}, 0],
"nice": true,
"zero": true
}
],
"axes": [
{
"scale": "x",
"orient": "bottom",
"gridScale": "y",
"grid": true,
"tickCount": {"signal": "ceil(width/40)"},
"tickMinStep": {
"signal": "datetime(2001, 1, 1, 0, 0, 0, 0) - datetime(2001, 0, 1, 0, 0, 0, 0)"
},
"domain": false,
"labels": false,
"aria": false,
"maxExtent": 0,
"minExtent": 0,
"ticks": false,
"zindex": 0
},
{
"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": "date (year-month)",
"format": "%Y",
"labelFlush": true,
"labelOverlap": true,
"tickCount": {"signal": "ceil(width/40)"},
"tickMinStep": {
"signal": "datetime(2001, 1, 1, 0, 0, 0, 0) - datetime(2001, 0, 1, 0, 0, 0, 0)"
},
"zindex": 0
},
{
"scale": "y",
"orient": "left",
"grid": false,
"title": "count",
"labelOverlap": true,
"tickCount": {"signal": "ceil(height/40)"},
"zindex": 0
}
],
"config": {"style": {"tick": {"discreteBandSize": {"band": 0.75}}}}
}