Principal Web Developer at Freedom of the Press Foundation
Public
Edited
Oct 19, 2022
vl.layer(
vl.markBar()
.encode(
vl.x().fieldO('date').timeUnit('year').axis({ title: 'Year' }),
vl.y().count().axis({ title: 'Incidents' }),
vl.color().value('#000')
),
vl.markText({ dy: -10, fontSize: 12, fontWeight: 800 })
.encode(
vl.x().fieldO('date').timeUnit('year'),
vl.y().count(),
vl.text().count(),
vl.color().value('#000'),
)
)
.transform(vl.filter('year(datum.date) > 2016'))
.data(data)
.width(600)
.render({renderer: 'svg'})
vl.layer(
vl.markBar()
.encode(
vl.x().fieldO('date').timeUnit('month'),
vl.y().count(),
vl.color().value('#000')
)
)
.transform(vl.filter('year(datum.date) == 2020'))
.data(data)
.width(600)
.render({renderer: 'svg'})
vl.layer(
vl.markLine({ interpolate: 'step-after', point: true })
.encode(
vl.x().fieldT('date').title('Date'),
vl.y().fieldQ('cumulativeIncidents').axis({ title: "Cumulative Incidents"}),
vl.color().field('city').title('City')
)
.data(chartData),
vl.layer(
vl.markRule()
.encode(
vl.x().fieldT('date'),
vl.color().value('#666')
),
vl.markText({ align: 'left', dx: 5, fontSize: 12 })
.encode(
vl.x().fieldT('date'),
vl.y().value(20),
vl.text().field('note'),
vl.color().value('#222')
)
).data([{ date: new Date(2020, 6, 15), note: "DHS agents arrive in Portland" }])
)
.width(600)
.render({renderer: 'svg'})
blmData = data.filter(d => d.tags &&
d.tags.split(', ').includes("Black Lives Matter") &&
d.date > new Date(2020, 4, 25) &&
d.date < new Date(2020, 7, 25)
)
topCities = aq.from(blmData)
.groupby('city')
.count({ as: 'incidents' })
.orderby(aq.desc('incidents'))
.slice(0, 10)
.objects()
.map(d => d.city)
chartData = aq.from(blmData)
.params({ topCities })
.filter((d, $) => op.includes($.topCities, d.city))
.groupby('date', 'city')
.count({ as: 'incidents' })
.groupby('city')
.orderby('date')
.derive({
cumulativeIncidents: aq.rolling(d => op.sum(d.incidents))
})
.objects()
chart1500
data = d3.csv(
'https://pressfreedomtracker.us/api/edge/incidents/?format=csv&fields=title,date,city,state,tags',
d3.autoType
)
d3 = require('d3@6')
import {vl} from '@vega/vega-lite-api-v5'
import { aq, op } from '@uwdata/arquero'
import { chart as blmTimelineChart, styles, extra_styles } from '@harrislapiroff/press-freedom-violations-per-day'
import { chart as chart1500 } from '@harrislapiroff/1500-days-of-press-freedom-violations'
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