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cdeterman
  • Member for 10 years, 4 months
  • Last seen more than a month ago
118 votes
Accepted

Validation Error less than training error?

36 votes
Accepted

Exact two sample proportions binomial test in R (and some strange p-values)

33 votes
Accepted

How do you use the 'test' dataset after cross-validation?

27 votes
Accepted

Cross validation with test data set

19 votes

Why use stratified cross validation? Why does this not damage variance related benefit?

14 votes

What if high validation accuracy but low test accuracy in research?

13 votes

How is the confusion matrix reported from K-fold cross-validation?

13 votes
Accepted

Gower distance with R functions; "gower.dist" and "daisy"

11 votes
Accepted

Random Forest confusion matrix

10 votes

Check a status of training process in R

9 votes
Accepted

How to update weights in a neural network using gradient descent with mini-batches?

9 votes
Accepted

Numeric Gradient Checking: How close is close enough?

8 votes
Accepted

p-value correction for multiple t-tests?

8 votes
Accepted

What is the intuition behind the Kappa statistical value in classification

6 votes

Binary classification in imbalanced data

6 votes
Accepted

How can I calculate p-values in R?

5 votes
Accepted

Prediction score in glmnet package r

5 votes
Accepted

resilient backpropagation parameters selection

4 votes
Accepted

How to reconstruct an image after performing PCA on face image dataset (eigenfaces)?

4 votes

Data splitting and cross validation

4 votes

Implementation of the cross validiation

4 votes
Accepted

How to compare probabilistic classifiers?

3 votes
Accepted

R-squared for elastic net

3 votes

In neural networks, how to tell the feature which contributes the most to the output value?

3 votes
Accepted

How to use k-fold cross validation in naive bayes classifier?

3 votes
Accepted

How can I estimate a principal component from incomplete data?

3 votes

Why does randomForest has higher test AUC than train AUC? Is this possible?

2 votes
Accepted

Cross validation: what if the validation performances are not significantly different?

2 votes
Accepted

Neural network - continuous vs. non continuous variables

2 votes
Accepted

Is there any ranking neural network especially in R?