Hottest Questions This Week

3

votes

4

answers

515

views

How can I deal with tiny categories?

answered 2 days ago Ben Reiniger 8,377

1

vote

2

answers

130

views

+50

Python xgboost predicting future events

answered yesterday Ben Reiniger 8,377

2

votes

1

answer

69

views

Bayes theorem on the probability of an object drawn at random using percentages (not Naive Bayes)

probability bayesian

answered 2 days ago Cryo 256

3

votes

1

answer

63

views

AB testing split algorithm

ab-test hashing-trick

modified 2 days ago B.Liu 136

4

votes

1

answer

39

views

How do I minimizie cost for EV charging?

python time-series optimization algorithms mathematics

answered Oct 18 at 17:18 Erwan 17k

1

vote

2

answers

48

views

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

machine-learning python pandas preprocessing

modified Oct 19 at 1:55 Archana David 1,051

1

vote

2

answers

31

views

log(odds) to p formulation

machine-learning statistics logistic-regression

modified Oct 18 at 21:03 Ethan 1,379

1

vote

1

answer

35

views

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

classification decision-trees supervised-learning information-theory

modified yesterday desertnaut 1,666

1

vote

1

answer

35

views

Combine 2 dataframes of unequal length based on some condition [closed]

pandas

modified 2 days ago Ethan 1,379

0

votes

0

answers

44

views

Predict multiple labels when labels are of mixed type: floating point and categorical

correlation multilabel-classification

modified yesterday Ethan 1,379

0

votes

1

answer

34

views

How to write a reward function that optimizes for profit and revenue?

machine-learning reinforcement-learning reward

answered Oct 17 at 15:56 Neil Slater 26.1k

0

votes

1

answer

32

views

Find most important and least important features for clustering algorithm

clustering feature-selection k-means

answered Oct 16 at 20:29 Brian Spiering 14.1k

1

vote

1

answer

30

views

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

machine-learning data-mining statistics probability

answered 2 days ago Peter 5,390

1

vote

0

answers

35

views

When use standardization, normalization or both?

clustering preprocessing normalization dbscan

asked Oct 18 at 19:03 mr x 11

3

votes

1

answer

26

views

Multi-modal neural network

machine-learning neural-network multitask-learning

modified yesterday desertnaut 1,666

2

votes

1

answer

33

views

Why do Transformers need positional encodings?

machine-learning deep-learning neural-network nlp transformer

modified Oct 18 at 19:55 Archana David 1,051

2

votes

0

answers

33

views

Cross Validation in Neural Networks

neural-network convolutional-neural-network cross-validation

modified yesterday Ethan 1,379

2

votes

2

answers

30

views

Deep Neural Network Model in sklearn Pipeline

neural-network scikit-learn pipelines

modified yesterday desertnaut 1,666

0

votes

0

answers

30

views

Improve model accuracy in multi-classification problem

neural-network classification multiclass-classification accuracy mlp

modified Oct 18 at 11:17 Insomniac 1

2

votes

1

answer

29

views

Predictive Recency-Frequency-Monetary (RFM) through Classification of Customer Charateristics

machine-learning classification predictive-modeling multiclass-classification

modified 2 days ago Archana David 1,051

2

votes

0

answers

28

views

Decision tree Why is Gini index only used for binary choices?

machine-learning classification decision-trees gini-index

asked yesterday Edouard99 21

0

votes

1

answer

27

views

Improving the performance of neural networks

deep-learning neural-network cnn

modified yesterday Ethan 1,379

0

votes

1

answer

21

views

Deleting a Column in a csv or Excel file using Pandas

python pandas data data-cleaning excel

modified Oct 19 at 7:12 Oxbowerce 3,248

0

votes

1

answer

21

views

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

bert

answered Oct 19 at 8:22 Jindřich 1,128

0

votes

1

answer

16

views

Query regarding the 'Data type' of features in Machine Learning

dataset preprocessing features

answered 22 hours ago Nikos M. 1,674

1

vote

0

answers

26

views

How do I use number of hours as index in timeseries forecasting?

python time-series forecasting statsmodels

asked Oct 17 at 15:06 Sandhya Indurkar 51

0

votes

0

answers

26

views

TSNE interpreration and separability

machine-learning-model tsne binary-classification

modified Oct 18 at 21:04 Ethan 1,379

2

votes

1

answer

26

views

Can I compare two models trained on different but similar datasets to help find differences between the two datasets?

machine-learning regression statistics methodology

modified 2 hours ago Mike 21

0

votes

0

answers

25

views

How does XGBoost perform in Parallel

machine-learning python xgboost ensemble-modeling boosting

asked Oct 19 at 4:33 Chris_007 133

1

vote

0

answers

25

views

How to handle unclassifiable data in the dataset

scikit-learn data-cleaning svm multiclass-classification multilabel-classification

modified 8 hours ago Chor Hatara Hud'u Keturi 133

2

votes

1

answer

24

views

Change the ids of two linked pandas dataframes [closed]

python pandas dataframe

answered 2 days ago Nandhu Kishore 68

1

vote

1

answer

23

views

How to apply two input and one output with LR and SVM

machine-learning nlp svm

answered 2 days ago Erwan 17k

1

vote

1

answer

23

views

Combining models trained on a multilingual multi-source corpus

bert transformer

answered 2 days ago Amanuel Negash 396

2

votes

0

answers

23

views

Can I rescale TF matrix or TF-IDF matrix using StandardScaler prior to Logisitc Lasso regression?

python feature-scaling tfidf lasso

modified 2 days ago Patrick Steele 21

0

votes

1

answer

22

views

Interpreting evaluation metrics with threshold/cutoff

machine-learning data-mining evaluation weka auc

modified 2 days ago Ethan 1,379

2

votes

0

answers

22

views

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

data-mining scraping web-scraping crawling

modified Oct 18 at 20:37 Archana David 1,051

0

votes

1

answer

17

views

How to use train_test_split with existing dataset?

training

answered Oct 18 at 18:19 Oxbowerce 3,248

0

votes

1

answer

21

views

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

cross-validation smote

answered Oct 19 at 6:01 user2974951 265

0

votes

0

answers

21

views

what is the meaning of split maximum return leaf, non split maximum return leaf in lightgbm

lightgbm

modified Oct 17 at 0:42 Tariq 1

1

vote

0

answers

21

views

Hopfield network problem

machine-learning

modified yesterday Ethan 1,379

0

votes

1

answer

16

views

Keras ImageDataGenerator unable to find images

python keras cnn image-preprocessing kaggle

answered Oct 15 at 18:18 Oxbowerce 3,248

1

vote

1

answer

20

views

How to find difference between two dates in different dataframes

python pandas

answered Oct 19 at 5:46 Pluviophile 1,714

1

vote

1

answer

20

views

Removing outliers from a multi-dimensional dataset & Data augmentation

dataset data outlier data-augmentation

modified yesterday desertnaut 1,666

1

vote

0

answers

20

views

Determining the effect of combinations of independent variables (customer charateristics) on dependent variables (customer value)

machine-learning classification clustering gradient-boosting-decision-trees

modified yesterday desertnaut 1,666

3

votes

0

answers

20

views

Understanding an MLP coefficient array

machine-learning python neural-network scikit-learn

modified yesterday desertnaut 1,666

1

vote

0

answers

20

views

ML techniques for subscription data

machine-learning data-analysis marketing

asked 23 hours ago Blogger22 11

1

vote

0

answers

20

views

What are the most known ML-models that use complex numbers? (if there are any)

machine-learning-model model-selection

asked 14 hours ago Moritz Groß 111

0

votes

0

answers

19

views

Mathematical description of max pooling operation

convolutional-neural-network pooling

asked Oct 18 at 14:18 kolo kolo 13

Top Questions

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