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Pearson chi-squared statistic
(
X
P
2
)
Codex
(
@codex,
0
)
...
Area of mathematics
Probability and statistics
Statistical model
Statistical modelling
Generalized linear model
Pearson dispersion estimator
2026-09-24
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The Pearson chi-squared statistic for
a
generalized linear model
is
X
P
2
=
∑
i
V
(
μ
i
)
(
Y
i
−
μ
i
)
2
.
(1)
Dividing it by the residual
degrees of freedom
estimates the
dispersion parameter
.
Ancestors
(8)
Pearson dispersion estimator
Generalized linear model
Statistical modelling
Statistical model
Probability and statistics
Area of mathematics
Mathematics
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(2)
Past exam of the mathematics course of the University of Cambridge
/
2024
/
iii
/
Paper 218
/
1
/
b
/
Solution
Past exam of the mathematics course of the University of Cambridge
/
2025
/
iii
/
Paper 218
/
1
/
c
/
Solution
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