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David B.
Data viz engineer | twitter.com/dbumbeishvili
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Published
By
David B.
Edited
Nov 22, 2020
1 star
Insert cell
Insert cell
polyData
=
polynomialRegression
(
data
)
Insert cell
data
=
[
{
"x"
:
1
,
"y"
:
18539
}
,
{
"x"
:
2
,
"y"
:
20695
}
,
{
"x"
:
3
,
"y"
:
21848
}
,
{
"x"
:
4
,
"y"
:
19121
}
,
{
"x"
:
5
,
"y"
:
23501
}
,
{
"x"
:
6
,
"y"
:
28724
}
,
{
"x"
:
7
,
"y"
:
28061
}
,
{
"x"
:
8
,
"y"
:
36222
}
,
{
"x"
:
9
,
"y"
:
37756
}
,
{
"x"
:
10
,
"y"
:
38212
}
,
{
"x"
:
11
,
"y"
:
31629
}
,
{
"x"
:
12
,
"y"
:
32282
}
]
Insert cell
polyData
.
coefficients
Insert cell
polynomialRegression
=
d3
.
regressionPoly
(
)
.
x
(
d
=>
d
.
x
)
.
y
(
d
=>
d
.
y
/
1000
)
.
order
(
3
)
;
Insert cell
Insert cell
Insert cell
xAxisPolynomial
=
d3
.
axisBottom
(
xScalePolynomial
)
.
tickSize
(
innerHeight
+
30
)
;
Insert cell
yAxisPolynomial
=
d3
.
axisLeft
(
yScalePolynomial
)
.
tickSize
(
innerWidth
+
10
)
;
Insert cell
linePolynomial
=
d3
.
line
(
)
.
x
(
d
=>
xScalePolynomial
(
d
[
0
]
)
)
.
y
(
d
=>
yScalePolynomial
(
d
[
1
]
*
1000
)
)
;
Insert cell
xScalePolynomial
=
d3
.
scaleLinear
(
)
.
domain
(
[
0
,
12
]
)
.
range
(
[
0
,
innerWidth
]
)
Insert cell
yScalePolynomial
=
d3
.
scaleLinear
(
)
.
domain
(
[
0
,
60000
]
)
.
range
(
[
innerHeight
,
0
]
)
Insert cell
Insert cell
Insert cell
base
=
Math
.
min
(
width
,
500
)
;
Insert cell
innerWidth
=
base
-
margin
.
left
-
margin
.
right
;
Insert cell
innerHeight
=
base
-
margin
.
top
-
margin
.
bottom
;
Insert cell
Insert cell
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d3
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margin
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base
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innerWidth
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innerHeight
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