Mathematics
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  • Member for 4 years, 7 months
  • Last seen more than a month ago
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All Questions Answers
Score Newest
question
3
Prove: if $x_0$ is a function of $Ax=b$, then there exist some generalized inverse matrix of A, G, s.t. $x_0 = Gb$
Jun 8, 2020
answer
3
Prove the order statistic is a minimal sufficient statistic for the logistic pdf $f(x|\theta)=\frac{e^{-(x-\theta)}}{(1+e^{-(x-\theta)})^2}$
Jan 3, 2021
question
2
what is derivative of $\exp(X\beta)$ w.r.t $\beta$
Sep 11, 2020
question
2
sigma-algebra generated by two-sigma algebras is generated by the intersection of sets from these two sigma-algebra
Sep 12, 2020
question
2
$\prod_{i=1}^n[(N-x_i)!]=\prod_{i=1}^n[(N-y_i)!]$ for all $N\in\mathbb{Z}^+$ implies $x_{(i)}=y_{(i)}$, for all $i\in\{1,\cdots,n\}$
Jan 3, 2021
question
2
sum of n Fisher information matrix divided by n
Aug 18, 2020
question
1
Why matrix with full column rank has a left inverse?
Nov 14, 2019
question
1
rank of $AB$ when $B$ has full column rank?
Nov 16, 2019
question
0
conditional probability of a statistic given a efficient statistic
Mar 2, 2020
question
0
set of values splitting uncountable set to two uncountable set is open
Nov 11, 2019
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47
Set the size of ggsave exactly
14
R: how to check how many cores/CPU usage available
13
What were the main statistical contributions of Ronald Fisher?
11
Gradient Boosting Tree: "the more variable the better"?
10
Linear Regression + confounder

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