Sam Weisenthal's user avatar
Sam Weisenthal's user avatar
Sam Weisenthal's user avatar
Sam Weisenthal
  • Member for 9 years, 1 month
  • Last seen this week
36 votes
Accepted

What is the intuition behind the formula for conditional probability?

25 votes

Scikit correct way to calibrate classifiers with CalibratedClassifierCV

21 votes

Predictive models: statistics can't possibly beat machine learning?

18 votes
Accepted

Why is data augmentation classified as a type of regularization?

17 votes
Accepted

AUPRC vs. AUC-ROC?

15 votes
Accepted

Adjusting probability threshold for sklearn's logistic regression model

14 votes

Who invented stochastic gradient descent?

12 votes

High Recall - Low Precision for unbalanced dataset

11 votes

Why is $SST=SSE + SSR$? (One variable linear regression)

10 votes

machine learning techniques for longitudinal data

8 votes
Accepted

Confusion in derivation of bias variance decomposition

8 votes

Perform cross-validation on train set or entire data set

8 votes

What is the "binary:logistic" objective function in XGBoost?

8 votes

In binary classification, in what specific case should I use accuracy, AUROC, logloss or Brier score to choose model?

7 votes
Accepted

How to split dataset for model selection and tuning

6 votes
Accepted

Deep Learning: Wild differences after model is retrained on the same data, what to do?

6 votes
Accepted

Time-series logistic regression

6 votes

Is it possible to use Recurrent NN (LSTM) for classification?

5 votes

Deriving gradient of a single layer neural network w.r.t its inputs, what is the operator in the chain rule?

4 votes
Accepted

How does increasing the dataset decrease the cross validation error in case of large variance?

4 votes

How to speed up training of a Neural Network?

4 votes

Posterior distribution and MCMC

4 votes
Accepted

In spite of the condition $i \ne j$, why is $E[Y_iY_j] = \mu^2$?

3 votes

Can the mean squared error be used for classification?

3 votes

What will a neural network respond to a never-seen feature?

3 votes
Accepted

Classification for high dimension data

3 votes

Ergodicity explained in layman terms

3 votes
Accepted

Generative adverserial network for class imbalance

3 votes

Imputing missing values on a testing set

3 votes

How to model longitudinal big data?

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