Lucas Morin's user avatar
Lucas Morin's user avatar
Lucas Morin's user avatar
Lucas Morin
  • Member for 9 years, 9 months
  • Last seen this week
  • France
7 votes
Accepted

Duplicated features for gradient descent

6 votes

How to get p-value and confident interval in LogisticRegression with sklearn?

6 votes

Is feature engineering still useful when using XGBoost?

6 votes
Accepted

Is an $F_1$ score of 0.1 always bad?

6 votes

Why does data science see class imbalance as a problem for supervised learning when statistics does not?

5 votes

How to adjust the hyperparameters of MLP classifier to get more perfect performance

4 votes

what is darknet and why is it needed for YOLO object detection?

4 votes
Accepted

Is it valid to compare SHAP values across models?

4 votes

Why SMOTE is not used in prize-winning Kaggle solutions?

3 votes
Accepted

What are the model parameters in PCA?

3 votes

Is it possible to cluster data according to a target?

3 votes

Time series classification, without the time dimension

3 votes

Why is it okay to set the bias vector up with zeros, and not the weight matrices?

3 votes
Accepted

Scikit-learn SelectKBest is picking up obviously unwanted Features

3 votes
Accepted

Sub-sampling so that sample statistics match population statistics

3 votes
Accepted

For outliers treatment: clipping, winsorizing or removing?

3 votes
Accepted

xgboost classifier predicted negative probabilities

3 votes

Is it good practice to convert columns with a number to a range between 0 and 1?

3 votes

XGBoost becomes unstable when predicting more than ~300 classes

3 votes

Compare Coefficients of Different Regression Models

3 votes

Unsupervised Learning - Using the Outcome of Learning

2 votes

Multiple XGBoost models or just 1 for a cetain type of category?

2 votes
Accepted

How curvature information in second order optimization methods helps

2 votes

Classification problem: custom minimization measure

2 votes
Accepted

Constructing function - f(x,y) for the given minimums (Python)

2 votes

How do I interpret my result of clustering?

2 votes

Can sampling like SMOTE/UP/DOWN applied on Validation set?

2 votes

How to build a model on a dataset having 40% missing values in most of the variables?

2 votes

Why don't we find the analytical function of the cost function?

2 votes

How sklearn logistic regression computes accuracy, recall etc if we don't provide threshold?

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