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leonardo Nicoletti
Social scientist and data nerd with a passion for storytelling and journalism.
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Published
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leonardo Nicoletti
Edited
Apr 22, 2022
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Choropleth
2
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color
=
d3
.
scaleQuantize
(
[
1
,
500
]
,
d3
.
schemeReds
[
9
]
)
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path
=
d3
.
geoPath
(
)
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format
=
d
=>
Math
.
round
(
`${
d
}`
)
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states
=
new
Map
(
us
.
objects
.
states
.
geometries
.
map
(
d
=>
[
d
.
id
,
d
.
properties
]
)
)
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us
=
FileAttachment
(
"counties-albers-10m.json"
)
.
json
(
)
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topojson
=
require
(
"topojson-client@3"
)
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d3
=
require
(
"d3@5"
)
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import
{
legend
}
from
"@d3/color-legend"
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html
`<style>
.tooltip {
font-family:sans-serif;
border: 1px solid #ccc;
font-size: 12px
}
</style>
`
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Purpose-built for displays of data
Observable is your go-to platform for exploring data and creating expressive data visualizations. Use reactive JavaScript notebooks for prototyping and a collaborative canvas for visual data exploration and dashboard creation.
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