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Xavier Bourret Sicotte

Paris, France

https://xavierbourretsicotte.github.io/

Taking 6 months off to learn python, stats and machine learning.

Sci-fi and climbing enthusiast - ping me if you want to spend time coding in Paris, France

https://xavierbourretsicotte.github.io/

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Top Questions
Top Answers
97
Bias and variance in leave-one-out vs K-fold cross validation
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80
How to intuitively explain what a kernel is?
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74
Calculating confidence intervals for a logistic regression
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63
Maximum Likelihood Estimators - Multivariate Gaussian
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34
Understanding bias-variance tradeoff derivation
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26
How does one interpret SVM feature weights?
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25
What is the difference between a "link function" and a "canonical link function" for GLM
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24
Coordinate descent soft-thresholding update operator for LASSO
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20
How to interpret a QQ plot
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19
Intuitive explanations of differences between Gradient Boosting Trees (GBM) & Adaboost
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18
Is $f(x)=|x|$ a convex function?
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17
Variance of $K$-fold cross-validation estimates as $f(K)$: what is the role of "stability"?
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17
Is it true that the percentile bootstrap should never be used?
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16
Shrinkage parameter in Adaboost?
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15
Choosing optimal alpha in elastic net logistic regression
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15
What causes lasso to be unstable for feature selection?
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12
Understanding Lasso Regression's sparsity geometrically
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11
Graphical interpretation of LASSO
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11
Support Vector Machine - Calculate w by hand
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9
Logistic Regression is a nonlinear regression problem?
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9
Optimal number of folds in $K$-fold cross-validation: is leave-one-out CV always the best choice?
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8
Why is gradient descent so bad at optimizing polynomial regression?
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7
$N(\theta,\theta)$: MLE for a Normal where mean=variance
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7
Graphical path Coordinate Descent in case of semi-differentiable functions such as Lasso
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7
What causes lasso to be unstable for feature selection?
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7
What is the difference between a kernel, and kernel (Gram) matrix?
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6
k-means vs k-means++
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6
What is meant by the variance of *functions* in *Introduction to Statistical Learning*?
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6
Lasso regression solutions
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6
The graphical intuiton of the LASSO in case p=2
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