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RUser4512

Paris, France

https://www.thekerneltrip.com

Data science and maths passionate.

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Top Questions
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135
What happens if the explanatory and response variables are sorted independently before regression?
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38
What should I do when my neural network doesn't learn?
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33
What is the meaning of super script 2 subscript 2 within the context of norms?
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21
Industry vs Kaggle challenges. Is collecting more observations and having access to more variables more important than fancy modelling?
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18
Complex analysis, Functional analysis for deeper understanding Machine Learning
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15
Obtaining knowledge from a random forest
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12
Why do we need to fit a k-nearest neighbors classifier?
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11
Resizing image in R
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11
Lasso centering and standarization with R
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11
Why does the intercept column in model.matrix replace the first factor?
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10
What's wrong with t-SNE vs PCA for dimensional reduction using R?
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10
Resources for learning about multiple-target techniques?
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9
Set of uncorrelated but linearly dependent variables
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9
Why does t-SNE not separate linearly separable classes?
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9
Encoding high-cardinality (many-category) categorical features when features greatly differ on the cardinality
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8
Sample drawn from a Cauchy distribution; is it possible to do a t-test?
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8
Fitted values above one in a logistic regression
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7
An example of a consistent and biased estimator?
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7
Help with Taylor expansion of log likelihood function
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7
Under which conditions do gradient boosting machines outperform random forests?
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7
What is the purpose of row normalization
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7
Why randomForest in R limits the number of levels for categorical predictors?
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7
Online learning in practice
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7
Find K-nearest neighbour with custom distance metric
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7
Improving the speed of XGBoost CV
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7
Why is $\min(X_1, ..., X_n)$ Markov chain?
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6
Is there a free online chess repertoire tool?
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6
Ensemble Learning: Why is Model Stacking Effective?
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6
Are there cases where PCA is more suitable than t-SNE?
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6
Identifiability of neural network models
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