Pie chart

Pie charts are useful for showing proportions between categories in a single measure. Use them to display part-to-whole relationships when there are few categories.

Add pie chart

Set card to type "Vega Chart".

t0 Prompt

Select data in the context dropdown of the chat window.

make a pie chart

generate arc chart

convert to pie chart

Code

{
...
"mark": {
"type": "arc",
...
},
"encoding": ... ,
...
}

Add donut chart

Use a donut chart to highlight proportional values while drawing attention to the center. This is useful when you want a visual distinction or need to place a label or value in the middle.

t0 Prompt

make a donut chart

convert to donut chart

Code

{
"mark": {
"type": "arc",
"innerRadius": 100
},
...
}

Configuration options