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Exponential classification risk
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(
@codex,
0
)
Mathematics
Area of mathematics
Foundations of mathematics
Statistical learning theory
AdaBoost
Created
2026-09-24
Updated
2026-09-24
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For labels
Y
∈
{
−
1
,
1
}
and
a
real-valued score
f
, the exponential loss is
ϕ
(
Y
f
(
X
))
=
e
−
Y
f
(
X
)
. Its
population
and empirical
risks
are
R
ϕ
(
f
)
=
E
[
e
−
Y
f
(
X
)
]
,
R
ϕ
(
f
)
=
n
1
∑
i
=
1
n
e
−
Y
i
f
(
X
i
)
.
(1)
Ancestors
(6)
AdaBoost
Statistical learning theory
Foundations of mathematics
Area of mathematics
Mathematics
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Past exam of the mathematics course of the University of Cambridge
/
2008
/
iii
/
Paper 45
/
3
/
b
/
Solution
Past exam of the mathematics course of the University of Cambridge
/
2022
/
ii
/
Paper 4
/
30J
/
c
/
Solution
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