Cross Validated
Xavier Bourret Sicotte
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78 Answers

Votes Activity Newest
79
Bias and variance in leave-one-out vs K-fold cross validation
Jul 18 '18 at 11:13
61
How to intuitively explain what a kernel is?
Jul 8 '18 at 10:21
53
Calculating confidence intervals for a logistic regression
Jul 5 '18 at 17:26
41
Maximum Likelihood Estimators - Multivariate Gaussian
Jun 15 '18 at 13:10
25
Understanding bias-variance tradeoff derivation
Jul 3 '18 at 15:08
21
How does one interpret SVM feature weights?
Jul 8 '18 at 9:56
19
What is the difference between a "link function" and a "canonical link function" for GLM
May 31 '18 at 12:40
18
Intuitive explanations of differences between Gradient Boosting Trees (GBM) & Adaboost
Jul 11 '18 at 14:46
17
Variance of $K$-fold cross-validation estimates as $f(K)$: what is the role of "stability"?
Jul 21 '18 at 6:55
16
Coordinate descent soft-thresholding update operator for LASSO
Jun 13 '18 at 9:45
14
Is it true that the percentile bootstrap should never be used?
Jul 20 '18 at 10:55
14
How to interpret a QQ plot
Apr 30 '18 at 14:27
13
What causes lasso to be unstable for feature selection?
Sep 11 '18 at 15:12
12
Shrinkage parameter in Adaboost?
Jul 11 '18 at 15:28
10
Choosing optimal alpha in elastic net logistic regression
Nov 3 '18 at 17:24
10
Graphical interpretation of LASSO
Jun 18 '18 at 7:46
9
Understanding Lasso Regression's sparsity geometrically
Jun 24 '19 at 16:58
9
Optimal number of folds in $K$-fold cross-validation: is leave-one-out CV always the best choice?
Jul 17 '18 at 12:28
8
Support Vector Machine - Calculate w by hand
Jun 29 '18 at 7:13
8
Logistic Regression is a nonlinear regression problem?
Sep 4 '18 at 22:20
7
What causes lasso to be unstable for feature selection?
Sep 12 '18 at 22:14
7
Graphical path Coordinate Descent in case of semi-differentiable functions such as Lasso
Jun 16 '18 at 14:37
6
k-means vs k-means++
Jul 17 '18 at 16:15
6
What is meant by the variance of *functions* in *Introduction to Statistical Learning*?
Jul 4 '18 at 10:02
5
$N(\theta,\theta)$: MLE for a Normal where mean=variance
Apr 21 '18 at 17:21
5
Algorithms to model non-linear relationship between two vectors
Sep 4 '18 at 13:26
5
Locally Weighted Linear Regression implementation in either R or Python
Jul 25 '18 at 13:50
5
AdaBoost - Best Weak Learner with 0.5 Error
Jul 11 '18 at 13:53
5
Lasso regression feature selection
Jun 19 '18 at 7:57
5
How does a Support Vector Machine (SVM) work?
Jun 28 '18 at 15:51
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