Proof of Multinomial covariance matrix
140222
Correlation multinomial distribution
9381
How to derive variance-covariance matrix of coefficients in linear regression
114474
Marginal distribution of random variable with multinomial sampling distribution and parameters $(n,\boldsymbol{p})$, where $n \sim $ Poisson
127459
Approximating a multinomial as $p(\xi_1,\ldots,\xi_N)\propto\exp\left(-\frac{n}{2}\sum_{i=1}^N\frac{(\xi_i-p_i)^2}{p_i}\right)$
52417
For a Fisher Information matrix $I(\theta)$ of multiple variables, is it true that $I(\theta) = nI_1(\theta)$?
77774
Distribution of sums and differences of n correlated normal random variables
27533
Variance-covariance matrix in lmer
3346
Proof that Conditional of Poisson distribution is Binomial
138342
Proof of a matrix exponential identity
10478
Matrix reciprocal positive to prove $λ_{max⁡}=n$
124712
Moment generating function for multivariate normal
19244
Covariance of a random vector after a linear transformation
133449
A proof that an orthogonal matrix with a determinant 1 is a rotation matrix
150197
Generalizing Poisson's binomial distribution to the multinomial case.
117175
Proof that the 2-norm of orthogonal transformation of a matrix is invariant
58017
When is it necessary to estimate the covariance matrix instead of calculating it directly?
153128
Proof of associativity of convolution