Step Chart
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Vega-Lite JSON Specification
{
"$schema": "https://vega.github.io/schema/vega-lite/v2.json",
"description": "Google's stock price over time.",
"data": {"url": "data/stocks.csv"},
"transform": [{"filter": "datum.symbol==='GOOG'"}],
"mark": {
"type": "line",
"interpolate": "step-after"
},
"encoding": {
"x": {"field": "date", "type": "temporal"},
"y": {"field": "price", "type": "quantitative"}
}
}