Xavier Bourret Sicotte's user avatar
Xavier Bourret Sicotte's user avatar
Xavier Bourret Sicotte's user avatar
Xavier Bourret Sicotte
  • Member for 5 years
  • Last seen this week
94 votes
Accepted

Bias and variance in leave-one-out vs K-fold cross validation

80 votes

How to intuitively explain what a kernel is?

74 votes
Accepted

Calculating confidence intervals for a logistic regression

63 votes
Accepted

Maximum Likelihood Estimators - Multivariate Gaussian

34 votes

Understanding bias-variance tradeoff derivation

25 votes

How does one interpret SVM feature weights?

24 votes

What is the difference between a "link function" and a "canonical link function" for GLM

24 votes

Coordinate descent soft-thresholding update operator for LASSO

19 votes

How to interpret a QQ plot

18 votes

Intuitive explanations of differences between Gradient Boosting Trees (GBM) & Adaboost

17 votes
Accepted

Variance of $K$-fold cross-validation estimates as $f(K)$: what is the role of "stability"?

16 votes

Is it true that the percentile bootstrap should never be used?

15 votes
Accepted

Choosing optimal alpha in elastic net logistic regression

14 votes
Accepted

What causes lasso to be unstable for feature selection?

14 votes

Shrinkage parameter in Adaboost?

12 votes
Accepted

Understanding Lasso Regression's sparsity geometrically

11 votes

Graphical interpretation of LASSO

11 votes
Accepted

Support Vector Machine - Calculate w by hand

9 votes

Optimal number of folds in $K$-fold cross-validation: is leave-one-out CV always the best choice?

8 votes
Accepted

Logistic Regression is a nonlinear regression problem?

8 votes

Why is gradient descent so bad at optimizing polynomial regression?

7 votes
Accepted

Graphical path Coordinate Descent in case of semi-differentiable functions such as Lasso

7 votes

What causes lasso to be unstable for feature selection?

6 votes

k-means vs k-means++

6 votes
Accepted

The graphical intuiton of the LASSO in case p=2

6 votes

$N(\theta,\theta)$: MLE for a Normal where mean=variance

6 votes

Lasso regression solutions

6 votes

What is meant by the variance of *functions* in *Introduction to Statistical Learning*?

5 votes

Question about bias-variance tradeoff

5 votes

How does a Support Vector Machine (SVM) work?