Public
Edited
Feb 26, 2024
CountyLiteracy = FileAttachment("county_literacy_numeracy.csv").csv({type: true})
SchoolExpenditure = FileAttachment("school_expenditure.csv").csv({type: true})
vl.markBar()
.data(CountyLiteracy)
.encode(
vl.x().fieldN('State').title('State'),
vl.y().fieldQ('Lit_P1').title('Proportion at Literacy Level 1'),
vl.tooltip([
vl.fieldN('State'),
vl.fieldQ('Lit_P1')
])
)
.width(600)
.height(400)
.render();
uniqueCounties = ['All', ...new Set(CountyLiteracy.map(d => d.County))];
{
const uniqueCounties = ['All', ...new Set(CountyLiteracy.map(d => d.County))];
// Dropdown menu for county selection
const selectedCounty = vl.param('selected_county')
.value('All') // Default value
.bind(vl.menu(uniqueCounties).name('Select County:')); // Dropdown menu
return vl.markBar()
.data(CountyLiteracy)
.params(selectedCounty)
.transform(
// Apply filtering based on the selected county if not 'All'
vl.filter('datum.County === selected_county || selected_county === "All"')
)
.encode(
vl.x().fieldN('State').title('State'),
vl.y().fieldQ('Lit_P1').title('Proportion at Literacy Level 1').aggregate('average'),
vl.tooltip([
vl.fieldN('State'),
vl.fieldQ('Lit_P1')
])
)
.width(window.innerWidth - 100) // Responsive width
.height(400)
.render();
}
usStatesGeoJSON = FileAttachment("gz_2010_us_040_00_500k.json").json()
{
const expenditureByState = new Map(SchoolExpenditure.map(d => [d.State, +d["Per pupil current spending (whole dollars)"]]));
const enrichedGeoJSON = usStatesGeoJSON.features.map(feature => {
const expenditure = expenditureByState.get(feature.properties.NAME); // get expenditure by state
return {
...feature,
properties: {
...feature.properties,
expenditure: expenditure
}
};
});
return vl.markGeoshape()
.data({ values: enrichedGeoJSON })
.encode(
vl.color().fieldQ('properties.expenditure').title('Per Pupil Spending ($)'),
// Example application: use the parameter to adjust the size encoding
vl.size().fieldQ('properties.expenditure'),
vl.tooltip([
{field: 'properties.NAME', type: 'nominal', title: 'State'},
{field: 'properties.expenditure', type: 'quantitative', title: 'Per Pupil Spending ($)'}
])
)
.project(vl.projection('albersUsa'))
.width(800)
.height(500)
.render();
}
{
const highlightSelection = vl.selectSingle()
.on('mouseover') // Trigger selection on mouseover
.clear('mouseout') // Clear selection on mouseout
.encodings(['color']) // Apply selection to color encoding
.init(null); // Initialize selection to be empty
const expenditureByState = new Map(SchoolExpenditure.map(d => [d.State, +d["Per pupil current spending (whole dollars)"]]));
const enrichedGeoJSON = usStatesGeoJSON.features.map(feature => {
const expenditure = expenditureByState.get(feature.properties.NAME); // get expenditure by state
return {
...feature,
properties: {
...feature.properties,
expenditure: expenditure
}
};
});
return vl.markGeoshape()
.data({ values: enrichedGeoJSON })
.params(highlightSelection) // Apply the selection
.encode(
vl.color().fieldQ('properties.expenditure').title('Per Pupil Spending ($)'),
vl.stroke().value('gray'), // Default stroke color
vl.strokeWidth().if(highlightSelection, vl.value(3)).value(0), // Thicker stroke for selected shapes
vl.tooltip([
{ field: 'properties.NAME', type: 'nominal', title: 'State' },
{ field: 'properties.expenditure', type: 'quantitative', title: 'Per Pupil Spending ($)' }
])
)
.project(vl.projection('albersUsa'))
.width(800)
.height(500)
.render();
}
{
const metricParam = vl.param('metricParam')
.value("Per pupil current spending (whole dollars)") // default value
.bind(vl.menu([
"Per pupil current spending (whole dollars)",
"Capital outlay"
]).name('Choose a metric to display:')); // dropdown menu
// Assuming usStatesGeoJSON and SchoolExpenditure are already defined and loaded
const enrichedGeoJSON = usStatesGeoJSON.features.map(feature => {
// Example logic to dynamically select metric based on metricParam's value
const metricValue = new Map(SchoolExpenditure.map(d => [d.State, +d[metricParam.value]])).get(feature.properties.NAME);
return {
...feature,
properties: {
...feature.properties,
metricValue: metricValue // dynamically add selected metric's value
}
};
});
// Create and render the Vega-Lite map visualization
const mapVisualization = vl.markGeoshape()
.params(metricParam) // use the parameter in your visualization
.data({values: enrichedGeoJSON})
.encode(
vl.color().fieldQ('properties.metricValue').title(metricParam.value),
vl.tooltip([
vl.fieldN('properties.NAME'),
vl.fieldQ('properties.metricValue')
])
)
.project(vl.projection('albersUsa'))
.width(800)
.height(500)
.render()
}
import {vl} from "@vega/vega-lite-api-v5"
import {printTableTypes} from "@jonfroehlich/data-utilities"
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