machine-learning

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Predictive model performs exceedingly well during training and testing, but predicts zero when predicting the very same data
user_142449350
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76
xgbclassifier xgboost tf-idf machine-learning python
What is the proper way to do evaluation (e.g. testing, validation) of deep learning model in PyTorch so that checkpoints are saved correctly?
user_16015800
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2
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78
conv-neural-network pytorch deep-learning machine-learning
model.predict() == ValueError: Error when checking input: expected flatten_input to have 3 dimensions, but got array with shape (1, 2)
user_168556850
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1
1
355
keras tensorflow machine-learning numpy python
Plot feature importance per class with R
user_158301700
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1
0
84
shap xgboost machine-learning r
Calculation of MSE and RMSE in linear regression
user_163431690
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2
1
2864
scikit-learn linear-regression scipy machine-learning python
How to compare baseline and GridSearchCV results fair?
user_122250160
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3
1
114
cross-validation gridsearchcv scikit-learn baseline machine-learning
xgboost.cv TypeError: cv() got multiple values for argument 'dtrain'
user_173299580
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1
1
85
xgboost decision-tree machine-learning python
Hyperparameter optimisation in Python with a separate validation set
user_18879190
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1
2
118
machine-learning random-forest python
MATLAB Backpropagation Algorithm not functioning as expected
user_144135380
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2
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213
backpropagation machine-learning math matlab
How to make scoring or ranking data (as new column) from existing features on data by using ML algorithms?
user_173262720
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1
1
337
scoring ranking machine-learning python
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