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Vega-Lite Percent Of Total
vl
.markBar()
.transform([
vl.joinaggregate(vl.sum("Time").as("TotalTime")),
vl.calculate("datum.Time/datum.TotalTime*100").as("PercentOfTotal")
])
.encode(vl.x().fieldQ("PercentOfTotal").title("% of Total Time"), vl.y().field("Activity"))
.data([
{ Activity: "Sleeping", Time: 8 },
{ Activity: "Eating", Time: 2 },
{ Activity: "TV", Time: 4 },
{ Activity: "Work", Time: 8 },
{ Activity: "Exercise", Time: 2 }
])
.height({ step: 12 })
.render()
{
const bar = vl
.markBar()
.encode(
vl
.x()
.fieldQ("PercentOfTotal")
.axis({ format: ".1%" })
.title("% of Total Time"),
vl.y().field("Activity")
);
const label = bar
.markText({ align: "start", dx: 2 })
.encode(vl.text().fieldQ("PercentOfTotal").format(".2%"));
return vl
.layer([bar, label])
.transform([
vl.joinaggregate(vl.sum("Time").as("TotalTime")),
vl.calculate("datum.Time/datum.TotalTime").as("PercentOfTotal")
])
.data([
{ Activity: "Sleeping", Time: 8 },
{ Activity: "Eating", Time: 2 },
{ Activity: "TV", Time: 4 },
{ Activity: "Work", Time: 8 },
{ Activity: "Exercise", Time: 2 }
])
.height({ step: 12 })
.render();
}
vl
.markBar()
.transform([
vl.joinaggregate(vl.count().as("TotalCount")),
vl.calculate("1/datum.TotalCount*100").as("PercentOfTotal")
])
.encode(
vl.x().sum("PercentOfTotal").title("Percent of Total"),
vl.y().field("species")
)
.data(penguins)
.render()
{
const bar = vl
.markBar()
.encode(
vl.x().sum("PercentOfTotal").title("Percent of Total"),
vl.y().field("species")
);
const label = bar
.markText({ align: "start", dx: 2 })
.encode(vl.text().sum("PercentOfTotal").format(".2%"));
return vl
.layer([bar, label])
.transform([
vl.joinaggregate(vl.count().as("TotalCount")),
vl.calculate("1/datum.TotalCount").as("PercentOfTotal")
])
.data(penguins)
.render();
}
import {vl} from "@vega/vega-lite-api-v5"
({
data: {
values: [
{ Activity: "Sleeping", Time: 8 },
{ Activity: "Eating", Time: 2 },
{ Activity: "TV", Time: 4 },
{ Activity: "Work", Time: 8 },
{ Activity: "Exercise", Time: 2 }
]
},
transform: [
{
joinaggregate: [
{
op: "sum",
field: "Time",
as: "TotalTime"
}
]
},
{
calculate: "datum.Time/datum.TotalTime * 100",
as: "PercentOfTotal"
}
],
height: { step: 12 },
mark: "bar",
encoding: {
x: {
field: "PercentOfTotal",
type: "quantitative",
title: "% of total Time"
},
y: {
field: "Activity",
type: "nominal"
}
}
})
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