Hottest Questions This Week

4

votes

4

answers

59

views

Should input images be normalized to -1 to 1 or 0 to 1

normalization

answered 2 days ago user3658307 290

2

votes

2

answers

96

views

What is the difference between handcrafted and learned features

features

modified 2 days ago Ethan 1,011

1

vote

1

answer

75

views

is there a way to normalize [-3,1] to ${\begin{bmatrix} \dfrac{-3}{\sqrt{10}}\\ \dfrac{1}{\sqrt{10}}\\ \end{bmatrix}}$ with python?

modified 2 days ago Jay 200

4

votes

2

answers

47

views

What is a YAML file and where is it used in a machine learning context?

machine-learning neural-network deep-learning serialisation

modified 2 days ago QFII 28

2

votes

1

answer

61

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Training with a subset of data: relationship between subset size and training metric?

regression cross-validation

modified yesterday desertnaut 223

3

votes

2

answers

36

views

Is it valid to shuffle time-series data for a prediction task?

time-series predictive-modeling linear-regression

answered Jun 22 at 18:41 Peter 794

3

votes

2

answers

37

views

What is the difference between and Embedding Layer and an Autoencoder?

nlp word2vec word-embeddings dimensionality-reduction embeddings

answered Jun 22 at 18:36 Ismael EL ATIFI 167

0

votes

3

answers

45

views

What's the best way to approach a regression problem with a lot of features (over 300), many of which are categorical?

predictive-modeling

answered yesterday Cini09 26

1

vote

1

answer

33

views

What does an Input layer of shape=(None,) or (None,12) actually mean?

neural-network keras

answered Jun 20 at 14:06 pcko1 1,941

1

vote

1

answer

30

views

Why does np.linalg.eig produce an opposite-signed eigenvector?

machine-learning python data-mining numpy linear-algebra

modified 2 days ago Ben Reiniger 1,063

0

votes

2

answers

38

views

How to predict next visit date based on this data

machine-learning time-series rnn forecasting

modified Jun 21 at 21:36 Ethan 1,011

2

votes

4

answers

45

views

How to get high accuracy in CNNs?

neural-network deep-learning keras tensorflow cnn

answered 20 hours ago serali 1

4

votes

3

answers

43

views

How can I know if my conv1D model is overfitted or underfitted from loss curve?

python keras convnet

modified 2 days ago Ethan 1,011

1

vote

2

answers

26

views

Neural network got a lucky guess. Can it be trusted?

neural-network deep-learning

answered 14 hours ago Leevo 740

1

vote

1

answer

32

views

What is the difference between normalization and zero centering?

image-preprocessing

modified Jun 22 at 10:50 Leevo 740

0

votes

3

answers

39

views

How to know when to stop trainning a deep network?

deep-learning training recurrent-neural-net

answered 19 hours ago GrizZ 108

1

vote

1

answer

48

views

If the entire production dataset is known is advance, should I use it when fitting normalization parameters?

machine-learning classification dataset statistics data-science-model

answered Jun 21 at 21:38 astiegler 1

1

vote

1

answer

36

views

Using LeakyRelu as activation function in CNN and best alpha for it

keras cnn activation-function leakyrelu

modified 2 days ago Fatemeh_Asgarinejad 434

1

vote

1

answer

36

views

Automating Logistic Regression

logistic-regression

modified Jun 22 at 5:36 Siong Thye Goh 2,173

1

vote

1

answer

46

views

AttributeError: 'numpy.ndarray' object has no attribute 'columns'

scikit-learn pandas numpy

modified Jun 21 at 12:45 vipin bansal 336

0

votes

2

answers

21

views

How to fit a model to the V-shaped data?

machine-learning python scikit-learn data-science-model

modified yesterday Alex L 250

1

vote

0

answers

44

views

+50

Multicollinearity(Variance Inflation Factor). Variables to remove before doing a model

machine-learning scikit-learn collinearity

modified 2 days ago Universal_learner 58

2

votes

3

answers

34

views

Purpose of converting continuous data to categorical data

machine-learning data categorical-data numerical

answered Jun 22 at 7:20 serali 1

0

votes

2

answers

39

views

Help on Looping in R

r programming

modified 8 hours ago anonymous 4

0

votes

2

answers

28

views

Where to store dataset when creating neural network models and using github?

machine-learning neural-network data-science-model

answered 2 days ago Adhira Deogade 36

1

vote

1

answer

35

views

Random forest classifier is predicting only one class even when the dataset is not imbalanced

machine-learning scikit-learn random-forest

answered Jun 21 at 18:50 Peter 794

1

vote

0

answers

35

views

Algorithm selection

time-series

modified yesterday Adhira Deogade 36

1

vote

1

answer

35

views

How to calculate compression ratio when using autoencoder in neural network

neural-network autoencoder dimensionality-reduction

answered Jun 23 at 9:25 Djib2011 3,359

0

votes

1

answer

34

views

Building resume classifier based on keywords, what would be the steps & what are features and target in this case?

machine-learning python classification model-selection classifier

answered 11 hours ago tester 101

1

vote

2

answers

26

views

Word Embedding for Item Names(integer, one-hot encoding)

python nlp word-embeddings word

modified Jun 20 at 5:56 bkshi 1,092

0

votes

2

answers

26

views

Url string processing: what is the best way?

clustering data-cleaning

modified 2 days ago zina 27

1

vote

1

answer

26

views

Are there any rules regarding correlation between the variables used in a CNN?

neural-network predictive-modeling correlation

answered yesterday Leevo 740

0

votes

2

answers

33

views

Should we normalize test data by choosing maximum and minimum value of training data?

machine-learning normalization

answered Jun 20 at 17:06 nag 31

0

votes

4

answers

33

views

Keras model giving error when fields of unseen test data and train data are not same

machine-learning deep-learning keras image-classification machine-learning-model

modified 16 hours ago Viktor 434

0

votes

2

answers

33

views

Targeted information extraction / focused extractive summarization

machine-learning text-mining information-retrieval automatic-summarization

answered Jun 21 at 15:27 Erwan 416

1

vote

0

answers

33

views

Elbow method for cosine distance

nltk cosine-distance

modified yesterday Ruuza 6

2

votes

0

answers

33

views

Error: Input 0 is incompatible with layer flatten_1: expected min_ndim=3, found ndim=2

keras

modified 11 hours ago Morgoth 11

1

vote

1

answer

32

views

Emotional tension score in sentences

text-mining natural-language-process sentiment-analysis

modified yesterday swish 101

0

votes

2

answers

31

views

One Hot Label Encoding Scikit_learn convert back to Data Frame

scikit-learn preprocessing

answered yesterday Adhira Deogade 36

2

votes

2

answers

31

views

SVM behavior when regularization parameter equals 0

machine-learning svm regularization hinge-loss

modified 2 days ago Ethan 1,011

2

votes

1

answer

31

views

Mapping of categorical features into binary indicator features

machine-learning categorical-data beginner encoding k-nn

modified yesterday Ben Reiniger 1,063

0

votes

1

answer

30

views

How to normalize test data according to the training data if the normalization on the training data is performed row wise?

machine-learning normalization

modified Jun 23 at 3:41 jerry 4

1

vote

1

answer

30

views

Alternative approach for Q-Learning

machine-learning reinforcement-learning q-learning

modified Jun 22 at 11:55 maurocomi 54

1

vote

1

answer

30

views

Strange binary classification result with a model that indicate it has been well-trained

neural-network deep-learning keras convnet image-classification

modified Jun 23 at 16:04 Ismael EL ATIFI 167

0

votes

2

answers

23

views

I have a word2vec embedding - now what?

neural-network keras nlp word2vec

answered Jun 21 at 12:20 Emil 1

0

votes

1

answer

23

views

Pattern Recognition, Bishop - MLE and Least squares section 3.1

machine-learning

modified Jun 23 at 9:21 Siong Thye Goh 2,173

0

votes

1

answer

23

views

A2C Continuous for Pendulum-v0 working implementation, negation for loss and entropy calculation

neural-network distribution gaussian openai-gym actor-critic

modified yesterday mLstudent33 116

2

votes

1

answer

23

views

Data-generating probability distribution, probability distribution of a dataset, in ML

machine-learning probability

modified 6 hours ago Djib2011 3,359

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