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Luca Citi's user avatar
Luca Citi's user avatar
Luca Citi's user avatar
Luca Citi
  • Member for 7 years, 4 months
  • Last seen more than a week ago
15 votes

Generate points efficiently between unit circle and unit square

10 votes

If X and Y are uncorrelated, are X^2 and Y also uncorrelated?

9 votes

Statistical fallacy from a Japanese light novel

7 votes

Theoretical motivation for using log-likelihood vs likelihood

7 votes
Accepted

Lower bound on smallest eigenvalue of covariance matrices

6 votes

Why do ensemble models work better when we ensemble models of low correlation?

6 votes

Why are survival times assumed to be exponentially distributed?

5 votes
Accepted

Conditional distribution of arrival times in Poisson process

5 votes

Can the difference of random variables be uniform distributed?

5 votes

Why do the widths of confidence & prediction intervals change across a regression line - shouldn't it be the same with i.i.d?

4 votes

Does the Frequentist approach to forecasting ignore uncertainty in the parameter's value?

4 votes

Under what kernels and/or conditions does $k(x, x) = k(x, X) k(X, X)^{-1} k(X, x)$?

4 votes

What does it mean for a linear regression to be statistically significant but has very low r squared?

4 votes

Difference between two time series?

3 votes

Why is 600 out of 1000 more convincing than 6 out of 10?

3 votes
Accepted

Isn't every linear filter a linear time invariant (LTI) filter?

2 votes
Accepted

Support vector based approach to density estimation

2 votes
Accepted

Adding a third class {0 : i-dont-know} to a binary classification problem {+1,-1}

2 votes

What does minimising the loss function mean in k-means clustering?

2 votes

An interesting observation regarding the log transformation of data

2 votes

How does regularized regression overcome the p > n problem?

1 vote

Weights Update - Ensemble Models

1 vote
Accepted

What is a technical term for a model that takes as input the output of multiple other models?

1 vote

normalization constraint in support vector machine

0 votes

What is the CDF of the sum of weighted Bernoulli random variables?

0 votes

LDA vs. SVM for Dimensionality Reduction