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Charles Redmond
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Published
Data Viz (Grad)
By
Charles Redmond
Edited
Mar 29, 2020
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data
.
map
(
d
=>
d
*
d
)
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heroes
.
map
(
d
=>
d
.
identity
)
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cars
.
map
(
d
=>
d
.
Cylinders
)
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cylinders
=
cars
.
map
(
d
=>
d
.
Cylinders
)
.
sort
(
(
a
,
b
)
=>
a
-
b
)
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new
Set
(
cylinders
)
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d3
.
histogram
(
)
.
value
(
d
=>
d
)
(
cylinders
)
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d3
.
nest
(
)
.
key
(
d
=>
d
)
.
entries
(
cylinders
)
Insert cell
totals
=
d3
.
nest
(
)
.
key
(
d
=>
d
)
.
rollup
(
d
=>
d
.
length
)
.
entries
(
cylinders
)
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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.
Try it for free
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