Data Science Stack Exchange

5

votes

1

answer

672

views

Time Series pattern recognition and classification problem

modified 27 mins ago CommunityBot 1

0

votes

1

answer

11

views

how does tensorflow handle multiple samples

deep-learning tensorflow backpropagation

answered 1 hour ago serali 1,111

0

votes

1

answer

34

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Loss function returns x whereas tensorflow shows validation loss as (x+0.0567)

keras tensorflow

modified 1 hour ago CommunityBot 1

1

vote

1

answer

23

views

How to deal with tiny categories?

classification categorical-data

answered 2 hours ago Erwan 16.9k

0

votes

0

answers

8

views

Combining models trained on a multilingual multi-source corpus

bert transformer

asked 2 hours ago moz_szt 65

0

votes

0

answers

43

views

How to split Algorithms into multiple machines? [closed]

machine-learning algorithms multitask-learning multi-instance-learning

modified 2 hours ago Archana David 985

0

votes

0

answers

8

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How to approach this: Percentage change in one KPI leading to change in other KPIs?

machine-learning data-mining statistics probability

modified 3 hours ago dan 123

1

vote

1

answer

216

views

Machine learning for missing data in time series

machine-learning python time-series

modified 3 hours ago CommunityBot 1

0

votes

0

answers

34

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image segmentation with cityscapes dataset

machine-learning image-segmentation

modified 3 hours ago cris2019 1

0

votes

1

answer

15

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why is the BERT NSP task useful for sentence classification tasks?

bert

answered 4 hours ago Jindřich 1,093

0

votes

0

answers

7

views

What applications are possible with specialized linguistic data?

nlp

asked 4 hours ago Peter Elbert 1

2

votes

0

answers

24

views

Multi-arm bandits

machine-learning deep-learning reinforcement-learning

modified 4 hours ago koch_kir 1

0

votes

0

answers

8

views

MNIST trained network tested with my own samples

python deep-learning keras tensorflow numpy

modified 5 hours ago Noether 1

0

votes

0

answers

7

views

Multivariate testing

bayesian ab-test

asked 5 hours ago David Masip 5,372

1

vote

2

answers

2k

views

how to sort a multi-level pandas data-frame by a particular column?

pandas data-cleaning python-3.x data-engineering

modified 5 hours ago CommunityBot 1

0

votes

1

answer

14

views

Deleting a Column in a csv or Excel file using Pandas

python pandas data data-cleaning excel

modified 5 hours ago Oxbowerce 3,263

0

votes

1

answer

22

views

What does "S" in Shannon's entropy stands for?

classification decision-trees supervised-learning information-theory

answered 5 hours ago Archana David 985

0

votes

1

answer

228

views

How to combine rows after Pandas Groupby function

pandas groupby

modified 6 hours ago CommunityBot 1

0

votes

1

answer

9

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Is it necessary to use stratified sampling if I am using SMOTE already?

cross-validation smote

answered 6 hours ago user2974951 235

1

vote

1

answer

13

views

How to find difference between two dates in different dataframes

python pandas

answered 6 hours ago Pluviophile 1,714

2

votes

1

answer

104

views

Digitize graphs. Pull out data from points in a scatter plot

python image-preprocessing

modified 7 hours ago CommunityBot 1

0

votes

0

answers

18

views

How does XGBoost perform in Parallel

machine-learning python xgboost ensemble-modeling boosting

asked 8 hours ago Chris_007 133

2

votes

1

answer

128

views

What is the function of the hidden layer in a neural network mapping to?

neural-network deep-learning

modified 8 hours ago CommunityBot 1

1

vote

2

answers

3k

views

train_test_split ValueError: Input contains NaN

python sampling

modified 9 hours ago CommunityBot 1

0

votes

1

answer

11

views

Computing F1 score for YOLOV5

tensorflow computer-vision yolo

answered 9 hours ago Illustrati 11

0

votes

3

answers

158

views

Best Python NLP library for supervised topic classification

python classification nlp topic-model

modified 10 hours ago CommunityBot 1

1

vote

1

answer

628

views

Read back a saved LGBMClassifier model

machine-learning lightgbm

modified 10 hours ago Archana David 985

2

votes

2

answers

42

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Do we need to pre-process both the test and train data set?

machine-learning python pandas preprocessing

modified 10 hours ago Archana David 985

3

votes

1

answer

33

views

Calculate the standard error of the difference between two independent proportions

r statistics

answered 11 hours ago cocoakrispies98 31

1

vote

1

answer

43

views

multiclass classification

machine-learning python multiclass-classification

modified 11 hours ago CommunityBot 1

2

votes

1

answer

308

views

Hyperas LSTM configuration assignment error

python keras hyperparameter-tuning

modified 12 hours ago CommunityBot 1

1

vote

0

answers

9

views

CIFAR100 CNN does not learn

cnn convolutional-neural-network accuracy convergence

modified 12 hours ago Shayan Shafiq 1,010

2

votes

0

answers

11

views

Cluster analysis for categorical data with multiple values per category

r clustering categorical-data

modified 12 hours ago Shayan Shafiq 1,010

1

vote

1

answer

25

views

What is the difference between K-Means & Self Organized Maps?

clustering k-means unsupervised-learning

answered 13 hours ago Brian Spiering 14k

0

votes

3

answers

2k

views

How to use Autoencoders for outlier detection on images

deep-learning image-classification autoencoder outlier

modified 13 hours ago CommunityBot 1

0

votes

1

answer

20

views

How to determine the correlation using $X^2$ values

data-mining

answered 14 hours ago Evan Gertis 103

2

votes

1

answer

160

views

Loss function for age classification

machine-learning python classification loss-function pytorch

modified 14 hours ago CommunityBot 1

1

vote

2

answers

624

views

Predict Best Branch Locations For a Company

machine-learning prediction geospatial

modified 15 hours ago CommunityBot 1

0

votes

0

answers

21

views

TSNE interpreration and separability

machine-learning-model tsne binary-classification

modified 15 hours ago Ethan 1,377

1

vote

2

answers

30

views

log(odds) to p formulation

machine-learning statistics logistic-regression

modified 15 hours ago Ethan 1,377

0

votes

1

answer

12

views

Does GPU decreases training time for on-policy RL?

reinforcement-learning gpu policy-gradients

answered 15 hours ago Archana David 985

2

votes

0

answers

8

views

Is there a way to scrape tweets in realtime from a list of specified users?

data-mining scraping web-scraping crawling

modified 15 hours ago Archana David 985

0

votes

1

answer

38

views

which type of machine learning algorithms perform better at extrapolation (in general)

machine-learning predictive-modeling kernel

modified 16 hours ago tabumis 11

1

vote

1

answer

56

views

What is the meaning of the bubbles / spikes in the shap values plot?

machine-learning feature-selection machine-learning-model plotting

modified 16 hours ago CommunityBot 1

5

votes

2

answers

5k

views

Correct number of biases in CNN

deep-learning convolutional-neural-network backpropagation

modified 16 hours ago Todd Sewell 103

2

votes

1

answer

33

views

Why do Transformers need positional encodings?

machine-learning deep-learning neural-network nlp transformer

modified 16 hours ago Archana David 985

1

vote

0

answers

19

views

When use standardization, normalization or both?

clustering preprocessing normalization dbscan

asked 17 hours ago mr x 11

1

vote

1

answer

46

views

Literature on selecting specific dimensions in a word embedding vector

nlp feature-selection word-embeddings word2vec

modified 17 hours ago CommunityBot 1

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