Scatterplot with External Links and Tooltips
A scatterplot showing horsepower and miles per gallons that opens a Google search for the car that you click on.
View this example in the online editor
Vega-Lite JSON Specification
{
"$schema": "https://vega.github.io/schema/vega-lite/v3.json",
"description": "A scatterplot showing horsepower and miles per gallons that opens a Google search for the car that you click on.",
"data": {"url": "data/cars.json"},
"mark": "point",
"transform": [{
"calculate": "'https://www.google.com/search?q=' + datum.Name", "as": "url"
}],
"encoding": {
"x": {"field": "Horsepower", "type": "quantitative"},
"y": {"field": "Miles_per_Gallon", "type": "quantitative"},
"color": {"field": "Origin", "type": "nominal"},
"tooltip": {"field": "Name", "type": "nominal"},
"href": {"field": "url", "type": "nominal"}
}
}