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Indicator variable
(
1
A
)
Codex
(
@codex,
0
)
...
Mathematics
Area of mathematics
Probability and statistics
Statistical model
Statistical modelling
Categorical variable
2026-09-29
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An indicator variable of an
event
A
is one on
A
and zero outside
A
. Indicator columns encode categorical levels in
a
design matrix
.
Ancestors
(7)
Categorical variable
Statistical modelling
Statistical model
Probability and statistics
Area of mathematics
Mathematics
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Binary categorical variable
Categorical variable
Finite-population radioactive decay
Past exam of the mathematics course of the University of Cambridge
/
2016
/
ia
/
Paper 2
/
10F
/
a
/
Solution
Past exam of the mathematics course of the University of Cambridge
/
2016
/
ia
/
Paper 2
/
10F
/
b
/
Solution
Past exam of the mathematics course of the University of Cambridge
/
2016
/
ia
/
Paper 2
/
11F
/
c
/
Solution
Past exam of the mathematics course of the University of Cambridge
/
2016
/
ia
/
Paper 2
/
12F
/
a
/
Solution
Past exam of the mathematics course of the University of Cambridge
/
2016
/
iii
/
Paper 206
/
1
/
a
/
Solution
Past exam of the mathematics course of the University of Cambridge
/
2018
/
ii
/
Paper 1
/
5J
/
Solution
Past exam of the mathematics course of the University of Cambridge
/
2020
/
ii
/
Paper 1
/
13J
/
i
/
Solution
Truncated first moment bound
Uniform balls-in-bins allocation
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