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Chris Tang

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22 Bookmarks

Votes Activity Newest Views Added
406
votes
5
answers
143k
views

How to understand the drawbacks of K-means

machine-learning clustering data-mining k-means
Feb 19 '18 at 15:59 gung - Reinstate Monica 127k
241
votes
8
answers
173k
views

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

neural-networks faq
1d ago kjetil b halvorsen♦ 54.8k
62
votes
4
answers
44k
views

Reduce Classification Probability Threshold

machine-learning classification binary-data threshold
Feb 1 '20 at 11:51 Chris Tang 127
48
votes
3
answers
80k
views

How to visualize a fitted multiple regression model?

regression data-visualization multiple-regression
Jul 31 at 19:48 Mountains 149
45
votes
6
answers
44k
views

Best method for short time-series

time-series forecasting small-sample
Mar 17 '20 at 16:55 nocibambi 117
26
votes
2
answers
38k
views

Proof of convergence of k-means

mathematical-statistics k-means
Apr 27 '20 at 1:26 MathGuy 1
25
votes
3
answers
34k
views

How to describe or visualize a multiple linear regression model

regression multiple-regression data-visualization presentation
Feb 1 at 13:35 mdewey 15.7k
20
votes
3
answers
63k
views

How can I calculate the conditional probability of several events?

conditional-probability
Mar 10 '15 at 2:44 shihpeng 147
19
votes
6
answers
32k
views

Why doesn't k-means give the global minimum?

clustering k-means convergence gradient-descent extreme-value
Apr 29 '20 at 19:29 chrisgiffy 1
19
votes
4
answers
5k
views

What is a latent space?

machine-learning neural-networks definition
Mar 28 at 20:52 Igor F. 4,581
6
votes
3
answers
5k
views

Linear regression VS linear modeling

regression model linear
Jun 30 '15 at 11:41 Mark L. Stone 12.2k
6
votes
2
answers
5k
views

Predicting time series with NNs: should the data set be shuffled?

time-series machine-learning forecasting neural-networks prediction
Dec 9 at 22:08 Wolfram Arnold 103
5
votes
1
answer
6k
views

Why is the correlation coefficient the slope of the regression line?

regression correlation
Nov 3 '17 at 16:01 Adam B 289
4
votes
1
answer
16k
views

Why does the Null Hypothesis have to be “equals to” and not “greater than or equal to”?

hypothesis-testing
May 22 '18 at 6:12 Nitish Sandhu 1
4
votes
2
answers
13k
views

How to interpret whiskers of a box plot when there are outliers?

outliers boxplot
Oct 23 '17 at 13:12 Nick Cox 45.9k
4
votes
1
answer
2k
views

Which machine learning algorithms get affected by feature scaling?

feature-selection normalization feature-scaling
Apr 4 '19 at 12:56 mkt - Reinstate Monica 11.1k
2
votes
0
answers
31
views

Should I always convert time-series data to stationary before forcasting?

time-series forecasting stationarity
Aug 6 at 11:11 Ach113 123
1
vote
2
answers
4k
views

Determining epsilon for DBSCAN

clustering scikit-learn k-nearest-neighbour tf-idf dbscan
Aug 6 '19 at 5:02 Community♦ 1
1
vote
1
answer
299
views

Should `predict_proba` average be population average?

classification scikit-learn boosting
Jun 3 '18 at 17:57 psarka 1,075
1
vote
1
answer
289
views

How to correctly compute p-value for hypothesis test?

hypothesis-testing p-value
Dec 2 '13 at 7:47 Glen_b 247k
0
votes
3
answers
153
views

Finding causal relationship between two sets of time series data

regression time-series causality
Mar 20 at 14:03 Community♦ 1
0
votes
1
answer
574
views

How to perform multi-step ahead in MLP time series model?

time-series neural-networks prediction
Mar 15 '17 at 8:28 Community♦ 1
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