cross-validation Examples and Free Source Code

Error "[.data.frame`(data, , all.vars(Terms), drop = FALSE) undefined columns selected" in...

r linear-regression cross-validation r-caret

The change of error according to the k-value change...

machine-learning cross-validation k-fold

How to perform repeated k-fold cross validation in R with DAAG package?...

r linear-regression cross-validation

How to 'leave pair out' where each test pair consists of [0 1]...

python machine-learning scikit-learn cross-validation

rsample vfold_cv function not accepting .y parameter from purrr::map2...

r tidyverse cross-validation purrr tidymodels

Struggling to understand the parameters of the cross validation function in fbprophet library...

python-3.x machine-learning prediction cross-validation facebook-prophet

Rolling window REVISITED - Adding window rolling quantity as a parameter- Walk Forward Analysis...

python python-3.x pandas numpy cross-validation

Each fold in k fold has substantially more than n/k rows?...

r cross-validation

Cross-validation for time-series data: Convert user-defined list of tuples with inner lists of lists...

python list time-series tuples cross-validation

Getting Precision and Recall using sklearn...

python machine-learning scikit-learn svm cross-validation

Na.fail.default error for best k using cross validation...

r cross-validation r-caret knn

PCA preprocess parameter in caret's train function...

r machine-learning pca cross-validation r-caret

Correct way to do cross validation in a pipeline with imbalanced data...

machine-learning scikit-learn cross-validation imbalanced-data smote

How to ensure all samples from specific group are all togehter in train/test in sklearn cross_val_pr...

python python-3.x scikit-learn cross-validation train-test-split

How to get F1 score per label using Sklearn's cross_validation (multi-label classification)...

python scikit-learn cross-validation multilabel-classification

Extract the best parameters from cva.glmnet object...

r cross-validation glmnet

Error with cross validation and lasso regularization for logistic regression...

r logistic-regression cross-validation glmnet lasso-regression

leave-one-out cross validation and confusion matrix in knn...

matlab statistics knn cross-validation confusion-matrix

Intuitive problem with k-fold cross validation...

r machine-learning linear-regression cross-validation

Stratified cross validation with Pytorch...

pytorch cross-validation

strange behavior of roc_auc_score, 'roc_auc', 'auc'...

scikit-learn cross-validation xgboost auc optuna

Knn using Cross Validation function...

r cross-validation r-caret knn

Find optimal Lasso/L1 regularization strength using cross validation for logistic regression in scik...

python scikit-learn cross-validation lasso-regression

KFold Cross Validation does not fix overfitting...

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

Print statement in cross-validation on custom estimator in Sklearn...

python scikit-learn cross-validation

Is there a way to define the fraction of each label I want in sci-kit learn cross validation?...

python scikit-learn cross-validation

K-Fold Cross Validation on entire Dataset...

python machine-learning cross-validation catboost k-fold

how to score precision, recall and f1-score in a multi-class dataset using cross-validate?...

python scikit-learn cross-validation

Calculation of AUC 95 % CI from Cross Validation (Python, sklearn)...

python logistic-regression cross-validation confidence-interval auc

How to create a scikit-learn pipeline that applies z-score and cross-validation?...

python scikit-learn data-science pipeline cross-validation