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US Presidential Election Results (1976 - 2020)
md`# US Presidential Election Results (1976 - 2020)`
dsv = require("d3-dsv@1")
import {vl} from '@vega/vega-lite-api'
data = dsv.csvParse(await FileAttachment('1976-2016-president.csv').text(), dsv.autoType)
// Add the results for 2020 (source: The Associated Press)
result = data.filter(d => d.party === 'democrat' || d.party === 'republican' ).concat([
{
year: 2020, office: "US President", candidate: "Biden, Joe", party: "democrat",
writein: "FALSE", notes: "NA",
candidatevotes: 79722437
},
{
year: 2020, office: "US President", candidate: "Trump, Donald J.", party: "republican",
writein: "FALSE", notes: "NA",
candidatevotes: 73732272
}
])
md`## Total Votes by Election (Democrat + Republican)`
vl.markBar()
.data(result)
.padding(10)
.width(500)
.height(300)
.encode({
x: {field: 'candidatevotes', type: 'quantitative', aggregate: 'sum'},
y: {field: 'year', type: 'nominal'},
tooltip: {field: "candidatevotes", aggregate: "sum"},
color: {value: "orange"}
})
.render()
md`## Votes for Democrat and Republican Candidates`
vl.markBar()
.data(result)
.padding(10)
.encode({
column: {
field: "year", type: "ordinal", spacing: 10
},
y: {
aggregate: "sum", field: "candidatevotes",
axis: {"grid": false}
},
x: {
field: "party", axis: {title: ""}
},
color: {
field: "party",
scale: {range: ["#0652DD", "#ff0803"]}
},
tooltip: [
{field: "candidate", type: "nominal"},
{field: "candidatevotes", aggregate: "sum", title: "votes"}
],
})
.config({
"view": {"stroke": "transparent"},
"axis": {"domainWidth": 1}
})
.render()
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