Scatter Plot with Text Marks
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Vega-Lite JSON Specification
{
"$schema": "https://vega.github.io/schema/vega-lite/v3.json",
"data": {"url": "data/cars.json"},
"transform": [{
"calculate": "datum.Origin[0]",
"as": "OriginInitial"
}],
"mark": "text",
"encoding": {
"x": {"field": "Horsepower", "type": "quantitative"},
"y": {"field": "Miles_per_Gallon", "type": "quantitative"},
"color": {"field": "Origin", "type": "nominal"},
"text": {"field": "OriginInitial", "type": "nominal"}
}
}