User anymous.asker

0 votes

Why does Light GBM model produce different results while testing?

answered Jul 13, 2021 at 0:31

1 vote

What does "intractable" mean for this function in latent Dirichlet allocation (LDA)?

answered Jul 13, 2021 at 0:27

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One-Class classification

answered Jan 21, 2021 at 15:50

3 votes

Why is deep learning used in recommender systems?

answered Jan 1, 2021 at 12:40

0 votes

Accepted

Hinge loss question

answered Sep 8, 2019 at 15:51

0 votes

Can ROC/AUC help model training or just be used for model chosing?

answered Feb 1, 2019 at 17:10

2 votes

Accepted

Linear optimization problem of $argmin$

answered Jan 16, 2019 at 19:31

1 vote

How to prevent a neural network from outputing too clustered probabilities?

answered Jan 6, 2019 at 14:36

0 votes

Accepted

What algorithms can be used to derive matching rules between known matches in datasets?

answered Jan 6, 2019 at 6:54

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Matrix Factorisation Improvement

answered Jan 1, 2019 at 10:28

1 vote

Restricting a weight vector (optimization parameter) to be in a certain domain using python ML library linear regression model

answered Jan 1, 2019 at 10:23

5 votes

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Generating Polynomial Features in R

answered Dec 19, 2018 at 17:31

0 votes

Which data mining or machine learning algorithm would be appropriate for learning ordered frequent patterns?

answered Nov 17, 2018 at 15:11

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prediction for a linear sum

answered Nov 17, 2018 at 14:50

1 vote

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Objective function for multi-label classification

answered Nov 10, 2018 at 16:40

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What is a suitable loss function and evaluation metric for a classification model with large number of unbalanced target classes?

answered Nov 9, 2018 at 17:00

1 vote

Minimization algorithm that can consider gradient close to solution

answered Nov 9, 2018 at 8:40

1 vote

What advantage does Gaussian kernel have than any other kernels, such as linear kernel, polynomial kernel and so on?

answered Oct 31, 2018 at 17:25

0 votes

Combine results from multiple models

answered Oct 20, 2018 at 18:58

1 vote

Similarity of Dictionaries Using Cosine Similarity

answered Oct 17, 2018 at 20:52

1 vote

Accepted

packages installed after activating conda environment

answered Oct 14, 2018 at 10:57

1 vote

Is gradient descent slower for finite differences?

answered Oct 14, 2018 at 10:24

0 votes

Is gradient descent slower for finite differences?

answered Oct 13, 2018 at 22:00

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Free parameters in logistic regression

answered Oct 13, 2018 at 21:52

0 votes

Class weights for imbalanced data in multilabel problems

answered Oct 12, 2018 at 10:01

2 votes

Logistic Regression Cost Function: Gives mathematical error since its attempting to calculate log(0)

answered Oct 11, 2018 at 21:01

1 vote

Can preprocessing the whole population cause data leakage?

answered Oct 9, 2018 at 16:44

1 vote

Collaborative filtering with human-adjusted latent factors

answered Oct 9, 2018 at 16:35

1 vote

Methods for ensembling ranked lists?

answered Oct 4, 2018 at 22:37

2 votes

Accepted

Minimizing an upper bound of objective function

answered Oct 4, 2018 at 22:23

Stack Exchange Network

42 Answers

Why does Light GBM model produce different results while testing?

What does "intractable" mean for this function in latent Dirichlet allocation (LDA)?

One-Class classification

Why is deep learning used in recommender systems?

Hinge loss question

Can ROC/AUC help model training or just be used for model chosing?

Linear optimization problem of $argmin$

How to prevent a neural network from outputing too clustered probabilities?

What algorithms can be used to derive matching rules between known matches in datasets?

Matrix Factorisation Improvement

Restricting a weight vector (optimization parameter) to be in a certain domain using python ML library linear regression model

Generating Polynomial Features in R

Which data mining or machine learning algorithm would be appropriate for learning ordered frequent patterns?

prediction for a linear sum

Objective function for multi-label classification

What is a suitable loss function and evaluation metric for a classification model with large number of unbalanced target classes?

Minimization algorithm that can consider gradient close to solution

What advantage does Gaussian kernel have than any other kernels, such as linear kernel, polynomial kernel and so on?

Combine results from multiple models

Similarity of Dictionaries Using Cosine Similarity

packages installed after activating conda environment

Is gradient descent slower for finite differences?

Is gradient descent slower for finite differences?

Free parameters in logistic regression

Class weights for imbalanced data in multilabel problems

Logistic Regression Cost Function: Gives mathematical error since its attempting to calculate log(0)

Can preprocessing the whole population cause data leakage?

Collaborative filtering with human-adjusted latent factors

Methods for ensembling ranked lists?

Minimizing an upper bound of objective function