Created
August 24, 2020 23:46
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Custom Vega spec for a composite histogram plot in wandb
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{ | |
"$schema": "https://vega.github.io/schema/vega/v5.json", | |
"padding": 5, | |
"signals": [ | |
{ | |
"name": "binOffset", | |
"value": 0 | |
}, | |
{ | |
"name": "binStep", | |
"value": 0.025, | |
"bind": { | |
"input": "range", | |
"min": 0.01, | |
"max": 0.5, | |
"step": 0.001 | |
} | |
} | |
], | |
"data": [ | |
{ | |
"name": "red_bins", | |
"source": "wandb", | |
"transform": [ | |
{ | |
"type": "bin", | |
"field": "${field:red_bins}", | |
"extent": [ | |
-1, | |
1 | |
], | |
"anchor": { | |
"signal": "binOffset" | |
}, | |
"step": { | |
"signal": "binStep" | |
}, | |
"nice": false | |
}, | |
{ | |
"type": "aggregate", | |
"key": "bin0", | |
"groupby": [ | |
"bin0", | |
"bin1" | |
], | |
"fields": [ | |
"bin0" | |
], | |
"ops": [ | |
"count" | |
], | |
"as": [ | |
"count" | |
] | |
} | |
] | |
}, | |
{ | |
"name": "blue_bins", | |
"source": "wandb", | |
"transform": [ | |
{ | |
"type": "bin", | |
"field": "${field:blue_bins}", | |
"extent": [ | |
-1, | |
1 | |
], | |
"anchor": { | |
"signal": "binOffset" | |
}, | |
"step": { | |
"signal": "binStep" | |
}, | |
"nice": false | |
}, | |
{ | |
"type": "aggregate", | |
"key": "bin0", | |
"groupby": [ | |
"bin0", | |
"bin1" | |
], | |
"fields": [ | |
"bin0" | |
], | |
"ops": [ | |
"count" | |
], | |
"as": [ | |
"count2" | |
] | |
} | |
] | |
} | |
], | |
"title": { | |
"text": "Composite Histogram" | |
}, | |
"scales": [ | |
{ | |
"name": "xscale", | |
"type": "linear", | |
"range": "width", | |
"domain": [0.0, 1.0] | |
}, | |
{ | |
"name": "yscale", | |
"type": "linear", | |
"range": "height", | |
"round": true, | |
"domain": { | |
"fields" : [ | |
{"data" : "red_bins", "field" : "count"}, | |
{"data" : "blue_bins", "field" : "count2"} | |
] | |
}, | |
"zero": true, | |
"nice": true | |
} | |
], | |
"axes": [ | |
{ | |
"orient": "bottom", | |
"scale": "xscale", | |
"zindex": 1, | |
"title": "Class confidence scores: Animals (red) vs plants (blue)" | |
}, | |
{ | |
"orient": "left", | |
"scale": "yscale", | |
"tickCount": 5, | |
"zindex": 1, | |
"title" : "Number of runs" | |
} | |
], | |
"marks": [ | |
{ | |
"type": "rect", | |
"from": { | |
"data": "red_bins" | |
}, | |
"encode": { | |
"update": { | |
"x": { | |
"scale": "xscale", | |
"field": "bin0" | |
}, | |
"x2": { | |
"scale": "xscale", | |
"field": "bin1", | |
"offset": { | |
"signal": "binStep > 0.02 ? -0.1 : 0" | |
} | |
}, | |
"y": { | |
"scale": "yscale", | |
"field": "count" | |
}, | |
"y2": { | |
"scale": "yscale", | |
"value": 0 | |
}, | |
"fill": { | |
"value": "firebrick" | |
}, | |
"fillOpacity": { | |
"value" : 0.5 | |
} | |
}, | |
"hover": { | |
"fill": { | |
"value": "purple" | |
} | |
} | |
} | |
}, | |
{ | |
"type": "rect", | |
"from": { | |
"data": "blue_bins" | |
}, | |
"encode": { | |
"update": { | |
"x": { | |
"scale": "xscale", | |
"field": "bin0" | |
}, | |
"x2": { | |
"scale": "xscale", | |
"field": "bin1", | |
"offset": { | |
"signal": "binStep > 0.02 ? -0.1 : 0" | |
} | |
}, | |
"y": { | |
"scale": "yscale", | |
"field": "count2" | |
}, | |
"y2": { | |
"scale": "yscale", | |
"value": 0 | |
}, | |
"fill": { | |
"value": "steelblue" | |
}, | |
"fillOpacity": { | |
"value" : 0.5 | |
} | |
}, | |
"hover": { | |
"fill": { | |
"value": "purple" | |
} | |
} | |
} | |
} | |
] | |
} |
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