Line Chart with Varying Size (using the trail mark)
Stock prices of 5 Tech Companies over Time.
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Vega-Lite JSON Specification
{
"$schema": "https://vega.github.io/schema/vega-lite/v3.json",
"description": "Stock prices of 5 Tech Companies over Time.",
"data": {"url": "data/stocks.csv"},
"mark": "trail",
"encoding": {
"x": {"field": "date", "type": "temporal"},
"y": {"field": "price", "type": "quantitative"},
"size": {"field": "price", "type": "quantitative"},
"color": {"field": "symbol", "type": "nominal"}
}
}