User Vadim

1

7

votes

3

answers

355

views

Time series forecasting: from ARIMA to LSTM

Jul 28 at 1:14 mikeaalv 11

2

6

votes

2

answers

221

views

ANOVA: life after rejecting the null hypothesis

machine-learning anova clustering outliers tukey-hsd-test

Dec 31 '19 at 11:45 Vadim 1,046

1

4

votes

1

answer

137

views

What is embedding? (in the context of dimensionality reduction)

pca terminology dimensionality-reduction multidimensional-scaling embeddings

Sep 15 at 9:14 Tim♦ 89.9k

3

4

votes

1

answer

52

views

Number of parameters and neural networks

machine-learning neural-networks aic overfitting parameterization

Jun 25 at 20:07 James 391

3

votes

4

answers

297

views

PCA for probability vectors

pca dimensionality-reduction assumptions gaussian-mixture-distribution compositional-data

Apr 1 at 8:35 Vadim 1,046

2

votes

1

answer

34

views

Relation between hazard and survival functions

survival cox-model hazard proportional-hazards

Oct 23 at 9:12 Vadim 1,046

2

votes

0

answers

26

views

Testing similarity of time series

time-series garch kolmogorov-smirnov-test

Jun 3 at 7:43 Vadim 1,046

2

votes

2

answers

52

views

Positive sums of small quantities at low resolution

normal-distribution continuous-data central-limit-theorem lognormal-distribution discrete-data

Nov 29 '19 at 14:21 Vadim 1,046

1

2

votes

2

answers

503

views

Clustering vectors which values are probabilities (summing to 1)

probability clustering compositional-data

Nov 8 '17 at 8:25 ttnphns 48.5k

1

vote

0

answers

18

views

+50

Non-logarithmic approaches to compositional data

distance compositional-data aitchison-geometry

Apr 8 at 13:43 Vadim 1,046

1

vote

2

answers

34

views

Similarity between projections on different spaces

correlation clustering interaction dataset

Mar 22 at 13:35 Vadim 1,046

1

vote

1

answer

145

views

Recurrent events analysis software (python)

python survival cox-model recurrent-events

Oct 23 at 21:47 EdM 44.8k

1

vote

0

answers

54

views

Estimating mean: Median vs. Huber [closed]

mean median robust

Mar 9 '20 at 15:35 Vadim 1,046

1

vote

0

answers

19

views

Asymmetric robust regression

regression distributions outliers robust symmetry

Dec 22 '19 at 13:26 kjetil b halvorsen♦ 54.6k

1

vote

0

answers

60

views

Robust common mean inference

regression anova t-test outliers robust

Dec 17 '19 at 11:06 Vadim 1,046

1

vote

1

answer

60

views

Robust regression with M-estimators

regression bayesian ridge-regression robust m-estimation

Dec 4 '19 at 11:31 Glen_b 246k

1

vote

1

answer

45

views

Comparing two groups of measurements with missing values

hypothesis-testing variance t-test missing-data

Nov 21 '19 at 12:23 Bernhard 6,389

1

vote

0

answers

14

views

Random variables with known ratios

bayesian anova small-sample frequentist regularization

Nov 13 '19 at 14:44 Vadim 1,046

0

votes

0

answers

10

views

Map between variables, using cross-correlation

clustering algorithms cross-correlation graph-theory

Mar 24 at 13:29 Vadim 1,046

0

votes

1

answer

129

views

Estimating long-term side effects of Covid vaccines in short time (statistical design of clinical trials)

survival censoring clinical-trials

Mar 10 at 13:23 AdamO 47k

0

votes

0

answers

7

views

Comparing sparse vectors

correlation spearman-rho sparse

Jan 19 at 6:44 Vadim 1,046

0

votes

1

answer

33

views

Renewal process vs inhomogeneous Poisson process?

modeling survival stochastic-processes cox-model poisson-process

Nov 1 at 18:39 EdM 44.8k

0

votes

1

answer

28

views

Nelson-Aalen estimator for recurrent events

survival cox-model recurrent-events

Oct 23 at 9:03 Vadim 1,046

0

votes

1

answer

21

views

Yule (preferential attachment process vs. birth&death process

stochastic-processes markov-process

Oct 17 at 7:43 Vadim 1,046

0

votes

0

answers

21

views

Baseline hazard and survival curves in Cox regression [duplicate]

survival cox-model hazard proportional-hazards

Oct 16 at 9:50 Vadim 1,046

0

votes

1

answer

83

views

Marginalizing multivariate Gaussian distribution

normal-distribution multivariate-normal-distribution marginal-distribution

Sep 3 at 13:47 Sergio 5,405

0

votes

1

answer

111

views

Equivalence between ARIMA and HMM

forecasting arima references hidden-markov-model

Aug 18 at 15:37 Richard Hardy 45.9k

0

votes

0

answers

34

views

Artificial neural networks as directed acyclic graphs (ANNs as DAGs)

neural-networks backpropagation dag

Jul 28 at 11:32 Vadim 1,046

0

votes

0

answers

23

views

Importance sampling and Metropolis MC

bayesian monte-carlo importance-sampling sequential-monte-carlo

Jul 2 at 14:20 Vadim 1,046

0

votes

0

answers

23

views

Advantages of using PACF

arima autocorrelation autoregressive acf-pacf box-jenkins

Jun 12 at 20:36 Richard Hardy 45.9k

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34 Questions

Time series forecasting: from ARIMA to LSTM

ANOVA: life after rejecting the null hypothesis

What is embedding? (in the context of dimensionality reduction)

Number of parameters and neural networks

PCA for probability vectors

Relation between hazard and survival functions

Testing similarity of time series

Positive sums of small quantities at low resolution

Clustering vectors which values are probabilities (summing to 1)

Non-logarithmic approaches to compositional data

Similarity between projections on different spaces

Recurrent events analysis software (python)

Estimating mean: Median vs. Huber [closed]

Asymmetric robust regression

Robust common mean inference

Robust regression with M-estimators

Comparing two groups of measurements with missing values

Random variables with known ratios

Map between variables, using cross-correlation

Estimating long-term side effects of Covid vaccines in short time (statistical design of clinical trials)

Comparing sparse vectors

Renewal process vs inhomogeneous Poisson process?

Nelson-Aalen estimator for recurrent events

Yule (preferential attachment process vs. birth&death process

Baseline hazard and survival curves in Cox regression [duplicate]

Marginalizing multivariate Gaussian distribution

Equivalence between ARIMA and HMM

Artificial neural networks as directed acyclic graphs (ANNs as DAGs)

Importance sampling and Metropolis MC

Advantages of using PACF