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ahstat
  • Member for 5 years, 4 months
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133 votes
7 answers
100k views

Clustering on the output of t-SNE

  • 12.3k
92 votes
8 answers
31k views

When is unbalanced data really a problem in Machine Learning?

  • 117k
39 votes
9 answers
8k views

What is the relationship between $Y$ and $X$ in this plot?

  • 843
34 votes
6 answers
20k views

Why study convex optimization for theoretical machine learning?

  • 1,586
24 votes
2 answers
726 views

What is the probability that $n$ random points in $d$ dimensions are linearly separable?

  • 391
21 votes
6 answers
3k views

Linear regression or ordinal logistic regression to predict wine rating (from 0 and 10)

  • 325
14 votes
1 answer
10k views

Why are the basis functions for natural cubic splines expressed as they are? (ESL)

11 votes
2 answers
2k views

Constructing example showing $\mathbb{E}(X^{-1})=(\mathbb{E}(X))^{-1}$

  • 9,437
8 votes
1 answer
3k views

Comparable training and test cross-entropies result in very different accuracies

  • 264
5 votes
1 answer
700 views

2D curve identification and smoothing

  • 1,150
5 votes
2 answers
2k views

Testing whether a die is biased, reasoning about the approach

  • 878
5 votes
1 answer
3k views

When should I perform transformation when analyzing skewed- data?

  • 163
5 votes
1 answer
610 views

Can deep neural nets offer state of the art results on regression problems?

5 votes
1 answer
1k views

Understanding Word2Vec

3 votes
2 answers
210 views

EM and (Gaussian) Mixture Models

2 votes
1 answer
478 views

Multi-column Deep Neural Networks for Image Classification Paper [closed]

2 votes
1 answer
807 views

Multiple Response Regression in Spark MLLib [closed]

2 votes
0 answers
69 views

Deep learning vs attractor networks

1 vote
0 answers
124 views

Equivalence between function of random variables and random function of random variables

  • 411
1 vote
1 answer
3k views

Classifier for continuous data?

  • 229
1 vote
1 answer
3k views

decreasing trend in residual plot for linear regression

  • 11
1 vote
1 answer
112 views

Reading recommendations for target tracking?

  • 11
1 vote
2 answers
4k views

AUC vs accuracy for model accuracy evaluation [duplicate]

1 vote
0 answers
30 views

Neural Network in classification task behaves "weird" [duplicate]

0 votes
1 answer
451 views

Classification using Convolutional neural networks for very high dimensional data