Mark L. Stone's user avatar
Mark L. Stone's user avatar
Mark L. Stone's user avatar
Mark L. Stone
  • Member for 8 years, 6 months
  • Last seen this week
8 votes
Accepted

Computing Highest Density Region given multivariate normal distribution with dimension $d$ > 3

8 votes
Accepted

Is non-integer power of a kernel still a kernel?

8 votes
Accepted

Question about conventions for L1 and L2 regularization

8 votes
Accepted

Name for 1 minus Bernoulli variable

7 votes

Why the sudden fascination with tensors?

7 votes
Accepted

Can I checking the correct implementation for gradient descent algorithm by looking at if the loss is monotonically decreasing?

7 votes
Accepted

Working out error on fit parameters for nonlinear fit

7 votes
Accepted

Why is gradient descent with momentum considered an exponentially weighted average?

7 votes

What exactly are moments? How are they derived?

7 votes
Accepted

Lagrangian multiplier: role of the constraint sign

7 votes

Getting Expected Value from Monte Carlo Simulation

7 votes

Do I need to guess a distribution to use MLE?

7 votes
Accepted

How to find the pdf of the difference beween random variables

7 votes
Accepted

Why doesn't my code for extracting the first principal component work?

6 votes

Correlation of signs of a jointly Gaussian RV

6 votes

Why are symmetric positive definite (SPD) matrices so important?

6 votes

Is EM feasible when there is no closed form maximization of the expectation of log likelihood?

6 votes
Accepted

Variance of weighted mean greater than unweighted mean

6 votes

In which cases we can approximate expected value of a function by assuming the function and the expectation commute?

6 votes

How to transform standard deviations from standard deviations

6 votes

Is it fair to say that most real-life distributions have finite variance?

6 votes

The role of variance in Central Limit Theorem

6 votes
Accepted

How to convert minimize $\| Ax - b \|_\infty$ to an equivalent linear program step by step?

6 votes

log-linear vs log-bilinear

6 votes

Can a random variable be a deterministic function of other random variables yet be independent of them?

5 votes

Since a projection matrix is idempotent, symmetric and square, why isn't it just the identity matrix?

5 votes
Accepted

Conditional probability calculation

5 votes
Accepted

square root missing in code?

5 votes

If X and Y both have the same pdf, they are identically distributed, but can I say that they are independent?

5 votes

Completing a $3 \times 3$ correlation matrix — $2$ coefficients of the $3$ given

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