I don't understand prophet cross_validation, some help here · Issue #1257 · facebook/prophet · GitHub
python 3.x - unable to import cross_validation - Stack Overflow
ModuleNotFoundError: No module named 'sklearn.cross_validation'
GitHub - jmdeldin/cross_validation: Ruby library for k-fold cross-validation of machine learning classifiers. It also provides a confusion matrix for interpreting classifier results. NOTE: API is unstable and subject to change before v1.0.
Codes of Interest | Deep Learning Made Fun: How to solve Scikit-learn Deprecation Warning on cross_validation
Cross_validation - techniques - Data Science, Analytics and Big Data discussions