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hans
  • Member for 4 years, 9 months
  • Last seen more than a week ago
  • Kraków, Poland
1259 votes
27 answers
839k views

Making sense of principal component analysis, eigenvectors & eigenvalues

  • 12.9k
544 votes
11 answers
623k views

What is the difference between test set and validation set?

  • 6,959
317 votes
9 answers
272k views

What should I do when my neural network doesn't learn?

  • 80.3k
178 votes
3 answers
135k views

How does Keras 'Embedding' layer work?

  • 3,807
38 votes
3 answers
77k views

Understanding input_shape parameter in LSTM with Keras

  • 597
16 votes
3 answers
3k views

What are the advantages of linear regression over quantile regression?

  • 95.1k
12 votes
2 answers
2k views

Identifiability of neural network models

  • 16.1k
11 votes
1 answer
5k views

What question does ANOVA answer?

  • 295
9 votes
1 answer
2k views

Can F1-Score be higher than accuracy?

  • 319
7 votes
1 answer
153 views

Estimating weight of hidden coin

  • 103
6 votes
4 answers
2k views

Seed in a grid search

  • 798
6 votes
3 answers
8k views

How to compare 2 classifers using confusion matrix?

  • 1,817
4 votes
1 answer
1k views

Why will the validation set error underestimate the generalisation error?

  • 365
4 votes
2 answers
74 views

Is there a measure or notion of correlation (or association) without assuming finite second order moments?

2 votes
1 answer
278 views

Identifying overfitting by comparison between training error and test error

  • 674
2 votes
0 answers
188 views

How can I compare two hyperparameter optimization algorithms?

  • 438
2 votes
1 answer
140 views

One problem with imputing the missing value by the sample mean

  • 6,517
0 votes
1 answer
3k views

Formula for the omission and the commission errors

  • 53