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Brazil

Bruno Hebling Vieira -

  • BSc in Medical Physics from the University of São Paulo (USP);
  • MSc in Physics Applied to Medicine and Biology from the University of São Paulo (USP).
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Top Questions
26 votes

Why Beta/Dirichlet Regression are not considered Generalized Linear Models?

generalized-linear-model beta-regression dirichlet-regression asked Sep 22 '17 at 19:13
stats.stackexchange.com

23 votes

t-SNE versus MDS

data-visualization dimensionality-reduction multidimensional-scaling tsne asked Jul 12 '16 at 21:33
stats.stackexchange.com

23 votes

Bridge penalty vs. Elastic Net regularization

regression lasso regularization ridge-regression elastic-net asked Jul 19 '16 at 14:33
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23 votes

How does a Relevance Vector Machine (RVM) work?

regression machine-learning classification svm asked Sep 28 '16 at 13:55
stats.stackexchange.com

15 votes

What's the formula for the Benjamini-Hochberg adjusted p-value?

hypothesis-testing p-value multiple-comparisons false-discovery-rate asked Oct 4 '16 at 20:31
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15 votes

What *is* an Artificial Neural Network?

machine-learning neural-networks deep-learning unsupervised-learning supervised-learning asked Aug 16 '18 at 0:41
stats.stackexchange.com

8 votes

Is there evidence for the use of the solenarion in late Medieval Ethiopia?

military middle-ages warfare africa ethiopia asked Jan 6 '17 at 2:33
history.stackexchange.com

8 votes

Using segmented linear regression as evidence for the limit of human lifespan

regression segmented-regression asked Dec 19 '16 at 11:28
stats.stackexchange.com

8 votes

How can I resume an interrupted Firefox download?

firefox download asked Jul 20 '16 at 12:39
superuser.com

7 votes

Understanding the different formulations for SVM

classification svm statistical-learning asked Jun 19 '15 at 20:57
stats.stackexchange.com

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Top Answers
69
40,000 neuroscience papers might be wrong
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47
Negation of %in% in R
stackoverflow.com

46
Practical hyperparameter optimization: Random vs. grid search
stats.stackexchange.com

30
Calculating PCA variance explained
stats.stackexchange.com

30
Does random forest need input variables to be scaled or centered?
stats.stackexchange.com

22
hinge loss vs logistic loss advantages and disadvantages/limitations
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20
What's considered a good log loss?
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17
How does `predict.randomForest` estimate class probabilities?
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16
Random forest regression not predicting higher than training data
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16
How to determine the accuracy of regression? Which measure should be used?
stats.stackexchange.com

14
T-test paradox: can adding a single point very far from the null value change the outcome from significant to nonsignificant?
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13
Is there any classification algorithm that doesn't give probability?
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13
Why isn't variance defined as the difference between every value following each other?
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13
Perform Fourier Analysis to a Time Series in R
stackoverflow.com

11
Accuracy vs. area under the ROC curve
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11
When would you use PCA rather than LDA in classification?
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11
Supervised learning with uncertain data?
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11
What does the “machine” in “support vector machine” and “restricted Boltzmann machine” mean?
stats.stackexchange.com

10
How can I resume an interrupted Firefox download?
superuser.com

9
Most efficient way to calculate pairwise partial correlations in base R?
stackoverflow.com

9
How should I transform non-negative data including zeros?
stats.stackexchange.com

9
Is Gradient Descent possible for kernelized SVMs (if so, why do people use Quadratic Programming)?
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8
Classification with ordered classes?
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8
What is the shape of the decision surface of a Gaussian Process classifier?
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8
How are SVMs = Template Matching?
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7
SVM - number of dimensions greater than number of samples would give good or bad performance?
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7
How do I determine whether two correlations are significantly different?
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7
Is ridge regression useless in high dimensions ($n \ll p$)? How can OLS fail to overfit?
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7
Meaning of Epsilon in SVM regression
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7
How to obtain optimal hyperparameters after nested cross validation?
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1 2