Hottest Questions This Week

5

votes

3

answers

690

views

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 2 hours ago aisync 1

3

votes

2

answers

65

views

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

modified 6 hours ago n1k31t4 10.8k

2

votes

4

answers

101

views

How to solve Ax = b for A [closed]

machine-learning linear-algebra

answered May 27 at 2:46 Sean Owen 5,621

2

votes

1

answer

48

views

How does scaling affect Logistic Regression?

machine-learning logistic-regression feature-scaling

modified yesterday fuwiak 1,240

1

vote

2

answers

35

views

Time series forecasting: prediction and forecast far from the reality

time-series forecasting

modified 16 hours ago Andrea Moro 217

2

votes

2

answers

35

views

Formal math notation of masked vector

optimization math notation

modified yesterday NiklasvMoers 129

0

votes

1

answer

40

views

Data augmentation for multiple output heads in Keras

deep-learning keras data preprocessing data-augmentation

modified May 29 at 6:18 Swarup Ghosh 26

0

votes

2

answers

18

views

Categorical and non-categorical data in the same column

categorical-data feature-scaling categorical-encoding

answered 2 days ago Leevo 3,784

1

vote

1

answer

36

views

What is the procedure to realize zero mean and unit variance?

normalization feature-scaling

modified May 28 at 8:14 Valentin Calomme 3,497

0

votes

3

answers

28

views

What is the 1 Unit in the contraint of SVM: $y_i(wx_i+b) \geq1$

machine-learning svm

answered 22 hours ago Roshan Jha 373

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

42

views

Extract information using NLP and store it in csv file

nlp text-mining data-science-model feature-extraction natural-language-process

answered yesterday Swapnil Pote 119

0

votes

2

answers

24

views

How to identify and extract patterns from emails

machine-learning python scikit-learn nlp

answered May 27 at 3:26 Gaurav Koradiya 111

1

vote

1

answer

24

views

Training accuracy is ~97% but validation accuracy is stuck at ~40%. What does it imply?

cross-validation accuracy

answered yesterday Derek O 199

1

vote

2

answers

38

views

How do I label images faster

computer-vision labelling

answered May 26 at 11:18 Nicolas Gervais 205

1

vote

1

answer

28

views

Do you think it's normal for data science projects to have some amount of “what should we do” -time? Or does it mitigate by experience?

management

answered May 27 at 7:11 Fnguyen 743

1

vote

0

answers

35

views

Where are some good online covid 19 genetic datasets? [closed]

dataset

modified May 25 at 12:18 david david 11

1

vote

1

answer

27

views

Extract First names from usernames

python nlp text-mining

answered May 27 at 10:33 Valentin Calomme 3,497

0

votes

0

answers

32

views

Using word embeddings for kaggle?

deep-learning keras nlp word-embeddings kaggle

modified yesterday fred 1

0

votes

1

answer

31

views

How to solve XNOR problem with neural network?

neural-network

answered May 26 at 17:16 C8H10N4O2 141

2

votes

1

answer

24

views

How to implement my own loss function for Prototype learning using Keras Model

python keras tensorflow loss-function meta-learning

modified May 26 at 10:27 Oscar 61

1

vote

3

answers

23

views

+50

Evaluating Model Accuracy on a testing data set for a DecisionTreeReegressor Model

scikit-learn decision-trees accuracy

answered yesterday nimar 96

2

votes

0

answers

29

views

VAE generates bad images. due to unbalanced loss functions?

machine-learning python loss-function autoencoder vae

modified 18 hours ago Lidor shimoni 53

1

vote

1

answer

22

views

Linear regression: variables with high P-value

regression statistics

modified 2 days ago ebrahimi 1,075

0

votes

1

answer

28

views

Finding point of interest in time series data

time-series unsupervised-learning

answered May 27 at 15:45 C8H10N4O2 141

0

votes

0

answers

27

views

How to estimate tail distribution for computing Conditional Value at Risk in python?

python statistics matlab distribution

modified May 26 at 9:06 Anna 1

1

vote

1

answer

21

views

Is it conscientious to use a threshold for a model output in order to play on the recall and precision?

accuracy f1score

answered May 27 at 10:18 Valentin Calomme 3,497

1

vote

1

answer

21

views

WHY or WHEN to convert numeric data to a categorical data?

machine-learning data-science-model categorical-data

answered May 27 at 14:21 Brian Spiering 8,263

3

votes

1

answer

21

views

+100

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

machine-learning neural-network convnet overfitting

modified 42 mins ago Carlos Mougan 2,380

0

votes

1

answer

16

views

How to deal with missing continuous data

missing-data

answered 2 days ago Uday 366

0

votes

1

answer

26

views

I need some guidance how to develop myself in deep learning [closed]

machine-learning deep-learning

answered May 25 at 15:37 AmrSherbiny 105

0

votes

1

answer

26

views

How to train a machine learning algorithm with multiple labels

machine-learning multiclass-classification supervised-learning labels

answered yesterday bonfab 41

1

vote

1

answer

26

views

German Chatbot or conversational AI

nlp dataset natural-language-process bert transformer

answered yesterday Swapnil Pote 119

0

votes

1

answer

20

views

How to use fine tuning of BERT when i have unlabelled dataset of text documents?

deep-learning natural-language-process transfer-learning bert

answered May 27 at 5:20 Simon Larsson 3,122

0

votes

1

answer

20

views

Validation fluctuating on keras training [closed]

keras training

modified May 26 at 11:13 Matheus Arruda 101

0

votes

1

answer

19

views

Energy price forecasting on timeseries

time-series forecasting

modified May 26 at 11:27 Simon Larsson 3,122

2

votes

1

answer

19

views

Prediction for not completely well classified data

machine-learning classification predictive-modeling prediction

answered 11 hours ago bonfab 41

0

votes

0

answers

24

views

+50

BPR TripletLoss Recommender System

deep-learning keras recommender-system bayesian

modified May 28 at 7:02 Oscar 61

0

votes

1

answer

18

views

Is my bayes classification right or meaningful?

classification r dataset naive-bayes-classifier

answered May 25 at 12:21 Erwan 6,346

0

votes

1

answer

23

views

How to impute using simple imputer (custom function)

machine-learning python scikit-learn training data-imputation

answered 2 days ago Ben Reiniger 4,653

0

votes

1

answer

23

views

Neural Net Backprop Weight updating Pseudo code help please

machine-learning neural-network classification gradient-descent backpropagation

modified May 28 at 11:28 indigo 1

1

vote

0

answers

23

views

Linear Regression not working due to wrong kind of array

python scikit-learn pandas

modified May 28 at 19:18 Valentin Calomme 3,497

0

votes

1

answer

22

views

Cat Classifier becomes worse the more you train it

image-classification optimization pytorch binary learning-rate

modified May 27 at 0:29 user97950 3

0

votes

0

answers

22

views

Is it ok to get different results in my implementation of svm when compared to other library?

python svm optimization

asked May 26 at 14:21 Vignesh 11

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

0

votes

0

answers

21

views

Relationship between two continuous variables in time series data

machine-learning time-series statistics correlation

modified 2 days ago horseoftheyear 103

1

vote

1

answer

21

views

How to tune learning rate with HParams Dashboard on Tensorflow?

deep-learning tensorflow hyperparameter-tuning learning-rate

modified yesterday Arwen 23

0

votes

1

answer

21

views

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

linear-algebra matrix

answered 11 hours ago bogovicj 179

Top Questions

Looking for more? Browse the complete list of questions, or popular tags. Help us answer unanswered questions.