user634512

### Questions (158)

 7 What would be the distribution of $(X_i-\frac{1}{n}\sum^n_{i=1}X_i)?$ 5 fair die is rolled until a number that has been obtained before is repeated 4 What is $\frac{\det(\hat{\Sigma}_0)}{\det(\hat{\Sigma})}$ in terms of $\hat{\mu}_1$, $\hat{\mu}_2$ and $\hat{\Sigma}$ 4 Proof of lack of memoryless property 3 What is the expected cost of using LDA?

### Reputation (291)

 +10 Prove the Lemma for Poincaré's inequalities -2 Is the set $S=\{x\in\mathbb{R}^d \mid 0 >x_1>…>x_d\}$ convex? +10 Show that $||x||_2\leq ||x||_1$ on $\Bbb R^d$ -2 What is $\frac{\det(\hat{\Sigma}_0)}{\det(\hat{\Sigma})}$ in terms of $\hat{\mu}_1$, $\hat{\mu}_2$ and $\hat{\Sigma}$

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### Tags (95)

 0 probability × 57 0 statistics × 13 0 real-analysis × 47 0 integration × 11 0 probability-theory × 42 0 linear-algebra × 11 0 probability-distributions × 24 0 markov-chains × 11 0 random-variables × 18 0 markov-process × 9

### Bookmarks (88)

 924 Can I use my powers for good? [closed] 799 How to study math to really understand it and have a healthy lifestyle with free time? [closed] 153 Transpose of inverse vs inverse of transpose 112 What is the difference between independent and mutually exclusive events? 98 lim sup and lim inf of sequence of sets.