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Michele Weigle
Professor of Computer Science at Old Dominion University
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Michele Weigle
Edited
Feb 6, 2023
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Clustering Example with Vega-Lite
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Insert cell
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viewof
raw_cars
=
aq
.
from
(
cars
)
.
view
(
2
)
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viewof
cars_xy
=
raw_cars
.
derive
(
{
x
:
aq
.
escape
(
d
=>
d
[
x
]
)
,
y
:
aq
.
escape
(
d
=>
d
[
y
]
)
}
)
.
view
(
2
)
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cars_kmeans
=
cars_xy
.
objects
(
)
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viewof
cluster_chart
=
{
kmeans
(
cars_kmeans
,
clusters
)
return
vl
.
markPoint
(
)
.
data
(
cars_kmeans
)
.
encode
(
vl
.
x
(
)
.
fieldQ
(
"x"
)
.
title
(
x
)
,
vl
.
y
(
)
.
fieldQ
(
"y"
)
.
title
(
y
)
,
vl
.
color
(
)
.
fieldN
(
"cluster"
)
,
vl
.
tooltip
(
[
x
,
y
,
'Name'
,
'cluster'
]
)
)
.
render
(
)
}
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import
{
kmeans
}
from
"@spond/k-means-clustering-algorithm"
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import
{
aq
,
op
}
from
'@uwdata/arquero'
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import
{
vl
}
from
"@vega/vega-lite-api"
Insert cell
import
{
Range
,
Select
}
from
"@observablehq/inputs"
Insert cell
d3
=
require
(
"d3@6"
)
Insert cell
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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CS 725/825, Spring 2023
Michele Weigle
CS 725/825, Spring 2022
Michele Weigle
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cars
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