cross-validation Examples and Free Source Code

ValueError: need at least one array to concatenate with sklearn cross_val_predict method...

python numpy scikit-learn cross-validation

How to split data with leave one pair out cross validation (LeavePOut) for binary classification?...

python-3.x scikit-learn cross-validation

Difference between cross_val_score and cross_val_predict...

python machine-learning scikit-learn regression cross-validation

how to speed up cross_val_score?...

python python-3.x scikit-learn cross-validation

Changing the size of test and train during cross validation...

python-3.x scikit-learn cross-validation

Pipeline with RF, PCA and CV generating error...

scikit-learn pipeline random-forest cross-validation grid-search

Cross Validation for longitudinal/panel data in scikit-learn...

python machine-learning scikit-learn time-series cross-validation

How to get Best Estimator on GridSearchCV (Random Forest Classifier Scikit)...

python scikit-learn random-forest cross-validation

Cross-Validation Across models in h2o in R...

r machine-learning cross-validation h2o

How to correctly split unbalanced dataset incorporating train test and cross validation set...

python scikit-learn dataset cross-validation

Metric for K-fold Cross Validation for Regression models...

python scikit-learn regression cross-validation k-fold

How to find accuracy, precision, recall, f1 score for my word2vec model?...

python cross-validation word2vec evaluation

Wrong data for cross-validation (doesn't work)...

python scikit-learn regression cross-validation

'bad input shape' when using scikit-learn SVM and optunity...

python machine-learning scikit-learn svm cross-validation

Missing values Imputation with five fold cross validation using python...

python machine-learning scikit-learn cross-validation imputation

Python - cross_val_score on regression problem is not working - 'ValueError: continuous is not s...

python cross-validation xgboost k-fold

cross_val_score default scoring not consistent?...

python scikit-learn cross-validation decision-tree

AttributeError: 'numpy.ndarray' object has no attribute '_iter_test_masks'...

numpy scikit-learn cross-validation kernel-density gridsearchcv

xgb.cv only seems to use training data for xfold validation?...

r cross-validation xgboost

When should I shuffle in StratifiedKFold...

python machine-learning scikit-learn neural-network cross-validation

How to determine best parameters and best score for each scoring metric in GridSearchCV...

python machine-learning scikit-learn cross-validation grid-search

Implementing loo_cv from rsample in tidymodels...

r cross-validation tidymodels

GridserachCV, make_scorer in python, for class specific F1...

python scikit-learn cross-validation grid-search

How to understand nfold and nrounds in R's package xgboost...

r cross-validation xgboost

Big difference in score (10%) between a split_test_train and a cross validation...

python machine-learning scikit-learn cross-validation train-test-split

'PolynomialFeatures' object has no attribute 'predict'...

python python-3.x scikit-learn regression cross-validation

Retrieving specific classifiers and data from GridSearchCV...

python machine-learning scikit-learn cross-validation grid-search

Sklearn custom transformers: difference between using FunctionTransformer and subclassing Transforme...

python machine-learning scikit-learn cross-validation

Word2Vec - Model with high cross validation score performs incredibly bad for test data...

machine-learning cross-validation word2vec sentiment-analysis

Different R-squared scores for different times...

python-3.x scikit-learn linear-regression cross-validation