User Michael D

11

14

votes

1

answer

2k

views

Do Gaussian process (regression) have the universal approximation property?

gaussian-process approximation

Mar 21 '17 at 19:31 Michael D 433

3

9

votes

2

answers

21k

views

Time series seasonality test

r time-series hypothesis-testing python seasonality

Jul 21 '19 at 6:45 Michael D 433

1

4

votes

3

answers

293

views

Permutation feature importance on Train vs Validation set

regression forecasting random-forest feature-selection

Jul 7 at 14:29 Davide ND 1,918

3

votes

1

answer

336

views

Why naive (prediction) forecasting is called random walk?

forecasting

Dec 9 '19 at 23:33 Italo Gervasio 21

1

vote

3

answers

27

views

If the autocorrelation below confidence for time series

time-series forecasting autocorrelation

Oct 27 at 14:31 jcken 700

1

vote

2

answers

31

views

Calculating Bootsrap (Mean and Variance) if samples has non equal weight

bootstrap

May 24 at 9:44 BruceET 33.1k

1

vote

2

answers

30

views

Hyperparameter tunning if the validation set is not big enough

machine-learning cross-validation hyperparameter

Dec 11 '19 at 18:45 cbeleites unhappy with SX 31.8k

1

vote

1

answer

1k

views

LSTM: performance decreases, when some classes have a very short sequences

rnn lstm

Dec 17 '18 at 7:02 Community♦ 1

2

1

vote

1

answer

1k

views

what are the top conferences for Time Series Analysis and related topics? [closed]

time-series conferences

May 22 '18 at 4:11 user2313186 141

0

votes

0

answers

8

views

Include weight (or amount of noise) in each point into forecasting model

machine-learning time-series forecasting weights

Nov 12 at 14:00 kjetil b halvorsen♦ 52.1k

0

votes

0

answers

29

views

Normal Conjugate Prior, Known Mean and Unknown Variance?

bayesian exponential-family conjugate-prior

Oct 21 at 15:15 kjetil b halvorsen♦ 52.1k

0

votes

0

answers

15

views

Time Series Normalization by row or by columns?

time-series forecasting normalization

Jul 6 at 12:46 Michael D 433

0

votes

1

answer

110

views

How calculate variance-covariance matrix of coefficients for multivariate (multiple) linear regression?

regression regression-coefficients covariance-matrix

May 19 at 18:07 David Luke Thiessen 75

0

votes

1

answer

408

views

MAPE and SMAPE shift invariance (bias)

forecasting error model-evaluation mape

Oct 24 '19 at 13:18 Stephan Kolassa 77.2k

0

votes

2

answers

537

views

Can Kernel Density Estimation estimate an Exponential Distribution?

kernel-smoothing density-estimation exponential-distribution

Apr 19 '19 at 1:01 Glen_b 244k

0

votes

0

answers

43

views

To what distribution it's similar? Looks like an exponential but it's not

density-estimation exponential-distribution

Apr 17 '19 at 9:58 Michael D 433

0

votes

0

answers

44

views

Similarity between bar plots (counts of categories)?

probability categorical-data similarities jaccard-similarity

Aug 23 '17 at 15:29 gung - Reinstate Monica 125k

-1

votes

1

answer

1k

views

Units for Chi-Square test (meter vs kilometers) contingency table

chi-squared

Aug 27 '17 at 14:21 Community♦ 1

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18 Questions

Do Gaussian process (regression) have the universal approximation property?

Time series seasonality test

Permutation feature importance on Train vs Validation set

Why naive (prediction) forecasting is called random walk?

If the autocorrelation below confidence for time series

Calculating Bootsrap (Mean and Variance) if samples has non equal weight

Hyperparameter tunning if the validation set is not big enough

LSTM: performance decreases, when some classes have a very short sequences

what are the top conferences for Time Series Analysis and related topics? [closed]

Include weight (or amount of noise) in each point into forecasting model

Normal Conjugate Prior, Known Mean and Unknown Variance?

Time Series Normalization by row or by columns?

How calculate variance-covariance matrix of coefficients for multivariate (multiple) linear regression?

MAPE and SMAPE shift invariance (bias)

Can Kernel Density Estimation estimate an Exponential Distribution?

To what distribution it's similar? Looks like an exponential but it's not

Similarity between bar plots (counts of categories)?

Units for Chi-Square test (meter vs kilometers) contingency table