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Share Your Experience: Take the 2024 Developer Survey
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Adept
  • Member for 3 years, 10 months
  • Last seen more than a week ago
  • Nancy, France
12 votes
Accepted

High accuracy on test-set, what could go wrong?

6 votes

What is the difference between one-hot and dummy encoding?

5 votes
Accepted

How do we decide between XGBoost, RandomForest and Decision tree?

3 votes
Accepted

When to One-Hot encode categorical data when following Crisp-DM

3 votes

Using a random forest, would a RandomForest performance be less if I drop the first or the last tree?

2 votes

Document Clustering for given specific clusters in python

2 votes
Accepted

Predicting financial data (choosing a model)

2 votes

How to do class balancing?

2 votes
Accepted

Dealing with categorical variables in regression problems which method to use?

2 votes

High accuracy in mode.fit but low precision and recall. Overfit? Unbalanced? Error?

1 vote
Accepted

Different DataFrames need to compare and add new value

1 vote
Accepted

Compare string entries of columns in different pandas dataframes

1 vote

convert time series data set to supervised for deep learining

1 vote
Accepted

For sklearn ML algorithms, is it possible to use boolean data alongside continuous data for the predictive data, and if so how can the data be scaled?

1 vote

How to increase the accuracy of an imbalanced dataset (not precision)?

1 vote

Using categorical and continuous variables in Deep Learning

1 vote

Machine learning algorithms for interpreting Companies brand/s logo/s

1 vote

Is it important to split the data in train-validation-test when using XGBRegressor?

1 vote
Accepted

Creating an "unclassified" class in Random Forest

1 vote
Accepted

What common/simple problem would work well as a web app?

1 vote

Faster grid search with small dataset to derive best params instead of full dataset?

1 vote
Accepted

How to Set the Same Categorical Codes to Train and Test data? Python-Pandas

1 vote

is it possible (and/or logical) to set feature importance for xgboost?

1 vote

How do you describe the clusters created by k-means?

0 votes

Does knn extend the train dataset by test values during the prediction?

0 votes

Assign value of existing column to new columns in pandas based on conditions

0 votes

Transforming Categorical to Numerical variable

0 votes

How to interprete percentile information from the describe function in Pandas?

0 votes

ValueError: y should be a 1d array, got an array of shape (285, 30) instead

0 votes

Why can't we feed datetime to Linear Regression and how does toordinal() different from any other integer datatype?