data transforms: stack + joinaggregate + collect
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January 14, 2019 15:22
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<html> | |
<head> | |
<title></title> | |
<script src="https://cdn.jsdelivr.net/npm/vega@4"></script> | |
<script src="https://cdn.jsdelivr.net/npm/vega-embed@3"></script> | |
<style> | |
body { | |
font-family: sans-serif; | |
} | |
</style> | |
</head> | |
<body> | |
<div id="vis" style="height: 500px;"></div> | |
</body> | |
<script type="text/javascript"> | |
vegaEmbed('#vis', 'vega-spec.json', {defaultStyle: true}); | |
</script> | |
</html> |
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Learn more about bidirectional Unicode characters
{ | |
"$schema": "https://vega.github.io/schema/vega/v4.json", | |
"width": 500, | |
"height": 200, | |
"padding": 5, | |
"title" : { | |
"text" : "Number of R&I outputs by domains", | |
"offset" : 30 | |
}, | |
"data": [ | |
{ | |
"name": "table", | |
"values": [ | |
{ | |
"y": "A", | |
"x": 28, | |
"c": "Projects" | |
}, | |
{ | |
"y": "A", | |
"x": 55, | |
"c": "Patents" | |
}, | |
{ | |
"y": "A", | |
"x": 55, | |
"c": "Publications" | |
}, | |
{ | |
"y": "B", | |
"x": 43, | |
"c": "Projects" | |
}, | |
{ | |
"y": "B", | |
"x": 91, | |
"c": "Patents" | |
}, | |
{ | |
"y": "B", | |
"x": 11, | |
"c": "Publications" | |
}, | |
{ | |
"y": "C", | |
"x": 81, | |
"c": "Projects" | |
}, | |
{ | |
"y": "C", | |
"x": 53, | |
"c": "Patents" | |
}, | |
{ | |
"y": "C", | |
"x": 100, | |
"c": "Publications" | |
}, | |
{ | |
"y": "D", | |
"x": 19, | |
"c": "Projects" | |
}, | |
{ | |
"y": "D", | |
"x": 87, | |
"c": "Patents" | |
}, | |
{ | |
"y": "D", | |
"x": 19, | |
"c": "Publications" | |
}, | |
{ | |
"y": "E", | |
"x": 52, | |
"c": "Projects" | |
}, | |
{ | |
"y": "E", | |
"x": 48, | |
"c": "Patents" | |
}, | |
{ | |
"y": "E", | |
"x": 38, | |
"c": "Publications" | |
}, | |
{ | |
"y": "F", | |
"x": 24, | |
"c": "Projects" | |
}, | |
{ | |
"y": "F", | |
"x": 49, | |
"c": "Patents" | |
}, | |
{ | |
"y": "F", | |
"x": 100, | |
"c": "Publications" | |
}, | |
{ | |
"y": "G", | |
"x": 87, | |
"c": "Projects" | |
}, | |
{ | |
"y": "G", | |
"x": 66, | |
"c": "Patents" | |
}, | |
{ | |
"y": "G", | |
"x": 20, | |
"c": "Publications" | |
}, | |
{ | |
"y": "H", | |
"x": 17, | |
"c": "Projects" | |
}, | |
{ | |
"y": "H", | |
"x": 27, | |
"c": "Patents" | |
}, | |
{ | |
"y": "H", | |
"x": 44, | |
"c": "Publications" | |
}, | |
{ | |
"y": "I", | |
"x": 68, | |
"c": "Projects" | |
}, | |
{ | |
"y": "I", | |
"x": 16, | |
"c": "Patents" | |
}, | |
{ | |
"y": "I", | |
"x": 71, | |
"c": "Publications" | |
}, | |
{ | |
"y": "J", | |
"x": 49, | |
"c": "Projects" | |
}, | |
{ | |
"y": "J", | |
"x": 15, | |
"c": "Patents" | |
}, | |
{ | |
"y": "J", | |
"x": 25, | |
"c": "Publications" | |
} | |
], | |
"transform": [ | |
{ | |
"type": "stack", | |
"groupby": [ | |
"y" | |
], | |
"sort": { | |
"field": "c" | |
}, | |
"field": "x", | |
"as": [ | |
"x0", | |
"x1" | |
] | |
}, | |
{ | |
"type": "joinaggregate", | |
"groupby": [ | |
"y" | |
], | |
"fields": [ | |
"x" | |
], | |
"ops": [ | |
"sum" | |
], | |
"as": [ | |
"xsum" | |
] | |
}, | |
{ | |
"type": "collect", | |
"sort": { | |
"field": "xsum", | |
"order": "descending" | |
} | |
} | |
] | |
} | |
], | |
"scales": [ | |
{ | |
"name": "y", | |
"type": "band", | |
"range": "height", | |
"domain": { | |
"data": "table", | |
"field": "y" | |
} | |
}, | |
{ | |
"name": "x", | |
"type": "linear", | |
"range": "width", | |
"nice": true, | |
"zero": true, | |
"domain": { | |
"data": "table", | |
"field": "x1" | |
} | |
}, | |
{ | |
"name": "color", | |
"type": "ordinal", | |
"range": { | |
"scheme" : "tableau10" | |
}, | |
"domain": { | |
"data": "table", | |
"field": "c" | |
} | |
} | |
], | |
"axes": [ | |
{ | |
"orient": "bottom", | |
"scale": "x", | |
"zindex": 1 | |
}, | |
{ | |
"orient": "left", | |
"scale": "y", | |
"zindex": 1 | |
} | |
], | |
"legends": [ | |
{ | |
"fill": "color", | |
"title": "R&I outputs", | |
"orient": "bottom-right" | |
} | |
], | |
"marks": [ | |
{ | |
"type": "rect", | |
"from": { | |
"data": "table" | |
}, | |
"encode": { | |
"enter": { | |
"y": { | |
"scale": "y", | |
"field": "y" | |
}, | |
"height": { | |
"scale": "y", | |
"band": 1, | |
"offset": -1 | |
}, | |
"x": { | |
"scale": "x", | |
"field": "x0" | |
}, | |
"x2": { | |
"scale": "x", | |
"field": "x1" | |
}, | |
"fill": { | |
"scale": "color", | |
"field": "c" | |
} | |
}, | |
"update": { | |
"fillOpacity": { | |
"value": 1 | |
} | |
}, | |
"hover": { | |
"fillOpacity": { | |
"value": 0.5 | |
} | |
} | |
} | |
} | |
] | |
} |
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