Data Science Stack Exchange

1

vote

1

answer

29

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Gini index as a labeling strategy for leaf nodes

machine-learning decision-trees

modified 40 mins ago Community♦ 1

0

votes

0

answers

3

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Optimal graph search algorithm for probabilistic world

asked 55 mins ago Guy Barash 41

3

votes

1

answer

22

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+100

Disparity between training and testing errors with deep learning: the bias-variance tradeoff and model selection

machine-learning neural-network convnet overfitting

modified 1 hour ago Carlos Mougan 2,380

0

votes

2

answers

14

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I need a dialogue dataset

deep-learning nlp dataset text chatbot

answered 1 hour ago Duc Nguyen 11

2

votes

1

answer

211

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While using reindex method on any dataframe why do original values go missing?

python pandas dataframe data-indexing-techniques

modified 1 hour ago Community♦ 1

0

votes

0

answers

8

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NLP Text Summarization - which metrics to use in evaluation?

nlp

asked 1 hour ago Jane Mänd 129

1

vote

2

answers

16

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Online Audio annotation tools

annotation labelling

answered 2 hours ago ramanujan iyengar 1

3

votes

1

answer

15

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Which model is better for incremental learning?

svm machine-learning-model k-nn

answered 2 hours ago Gaurav Koradiya 111

5

votes

3

answers

720

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If A and B are correlated and A and C are correlated. Why is it possible for B and C to be uncorrelated?

correlation

answered 3 hours ago aisync 1

0

votes

0

answers

5

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TensorFlow1.15, multi-GPU-1-machine, how to set batch_size?

deep-learning tensorflow bert transformer

asked 3 hours ago 不是phd的phd 423

5

votes

1

answer

380

views

A clear visualization of a two-way ANOVA

r statistics visualization

modified 3 hours ago Community♦ 1

0

votes

1

answer

9

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How to verify a CNN encoder works as expected?

deep-learning cnn pytorch autoencoder

answered 4 hours ago Gaurav Koradiya 111

2

votes

1

answer

117

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Siamese Network in Keras

siamese-networks one-shot-learning

modified 4 hours ago Community♦ 1

0

votes

0

answers

3

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Neural network regression problem, integer output neuron constraint

machine-learning neural-network deep-learning keras tensorflow

asked 5 hours ago o_yeah 1

-2

votes

0

answers

13

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i always get 99% - 100% of accuracy on my Random Forest training result, I tried my code with various dataset already. what part of my code is wrong?

random-forest matlab confusion-matrix

modified 5 hours ago Ethan 1,059

3

votes

2

answers

673

views

How to install Polynote on Windows?

python ipython scala

modified 5 hours ago Glorfindel 199

1

vote

1

answer

27

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Filling created feature with values

machine-learning python feature-engineering preprocessing

modified 5 hours ago Community♦ 1

0

votes

1

answer

20

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multi-segment text input for BERT now

neural-network deep-learning nlp bert transformer

answered 5 hours ago 不是phd的phd 423

2

votes

1

answer

27

views

Is there a paper accomplishing finding physical law from observation without premade perception, using machine learning?

machine-learning neural-network unsupervised-learning

modified 6 hours ago Community♦ 1

3

votes

2

answers

73

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Is it acceptable not to transform() test data after train data is being fit_transform()-ed

machine-learning python data preprocessing

modified 6 hours ago n1k31t4 10.8k

0

votes

1

answer

13

views

Machine Learning algorithm for predicting number of cases in pandemic

python scikit-learn regression ai

answered 7 hours ago Julio Jesús Luna Moreno 1

0

votes

0

answers

22

views

+50

(RL Curiosity) - “Exploration by Random Network Distillation” - what's the benefit?

reinforcement-learning

modified 7 hours ago Kari 1,914

1

vote

1

answer

14

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Recommendations for learning DCGANs?

gan

modified 7 hours ago Community♦ 1

1

vote

2

answers

30

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Fraud risk propagation in large scale network

python graphs networkx

modified 8 hours ago Community♦ 1

0

votes

1

answer

8

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droplevels not dropping anything

r

answered 9 hours ago Ben Norris 101

2

votes

0

answers

10

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Creating a generic mathematical formula using a genetic algorithm

algorithms genetic-algorithms evolutionary-algorithms genetic genetic-programming

asked 9 hours ago Roel Van de Paar 131

0

votes

1

answer

9

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Unstable results in test mode with fractional max pooling in PyTorch

convnet pytorch

modified 9 hours ago Community♦ 1

1

vote

1

answer

34

views

What to do about non-responses to demographic survey questions?

data data-cleaning cross-validation

modified 10 hours ago Community♦ 1

2

votes

1

answer

20

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Prediction for not completely well classified data

machine-learning classification predictive-modeling prediction

answered 11 hours ago bonfab 51

2

votes

2

answers

516

views

Prerequisites for Elements of Statistical Learning

statistics esl

modified 11 hours ago Community♦ 1

1

vote

1

answer

14

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Identify the parameter causing the anomaly in a multivariate dataset

svm anomaly-detection autoencoder k-nn isolation-forest

answered 11 hours ago bonfab 51

0

votes

1

answer

21

views

Can all known ML algorithms be written as a sequence of matrix operations?

linear-algebra matrix

answered 12 hours ago bogovicj 179

1

vote

0

answers

31

views

If we use a generalized quadratic loss in a SVM model, what generalization performance bounds can be derived?

classification svm

modified 12 hours ago Filippo Portera 13

1

vote

1

answer

26

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Get an equation from the relationship among variables

correlation

modified 12 hours ago Community♦ 1

1

vote

0

answers

7

views

Why N-pair Loss (NIPS 2016) stops minimizing in Image retrieval task?

deep-learning loss-function pytorch

asked 12 hours ago Celso França 111

1

vote

0

answers

9

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how do deep Q network deal with varying input size?

neural-network deep-learning reinforcement-learning recurrent-neural-net dqn

modified 13 hours ago Anthony095 11

0

votes

1

answer

31

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how to compute bernoulli entropy?

machine-learning statistics reinforcement-learning optimization probability

modified 13 hours ago Community♦ 1

1

vote

0

answers

16

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Iterative Reweighted Least Squares in python

machine-learning python classification numpy discriminant-analysis

modified 14 hours ago Stephen Rauch♦ 1,669

1

vote

0

answers

11

views

Does zero_as_missing parameter affects categorical features? LightGBM

lightgbm

modified 14 hours ago Borislav Bosnic 11

2

votes

1

answer

22

views

evaluation metrics for multiple values per session

statistics accuracy evaluation distribution descriptive-statistics

modified 14 hours ago Community♦ 1

1

vote

1

answer

627

views

Training an ensemble of small neural networks efficiently in TensorFlow 2

neural-network keras tensorflow training ensemble-modeling

modified 15 hours ago Community♦ 1

1

vote

2

answers

4k

views

Difference between Global Outlier and Contextual Outlier?

classification data-mining clustering outlier

modified 15 hours ago Namrata Tolani 101

2

votes

1

answer

33

views

+50

Can a classifier be trained with reinforcement learning without access to single classification results?

machine-learning classification random-forest reinforcement-learning training

modified 16 hours ago Brian Spiering 8,263

1

vote

2

answers

35

views

Time series forecasting: prediction and forecast far from the reality

time-series forecasting

modified 17 hours ago Andrea Moro 217

2

votes

0

answers

20

views

What's the best way to validate a rare event detection model during training?

deep-learning anomaly-detection class-imbalance audio-recognition

asked 17 hours ago jack 41

0

votes

1

answer

71

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How to deal with a constant value as an output from neural network?

neural-network keras training optimization

modified 17 hours ago Community♦ 1

1

vote

0

answers

19

views

List of naughty faces?

dataset data image-classification image-recognition

asked 18 hours ago stevec 191

2

votes

0

answers

29

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VAE generates bad images. due to unbalanced loss functions?

machine-learning python loss-function autoencoder vae

modified 19 hours ago Lidor shimoni 53

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