Ray Data API# Loading Data API Public APIs Developer APIs Saving Data API Public APIs Developer APIs Dataset API Dataset Basic Transformations Consuming Data Execution Expressions Grouped and Global Aggregations I/O and Conversion Inspecting Metadata Sorting, Shuffling and Repartitioning Splitting, Merging, Joining Datasets Compute Strategy API Schema DatasetSummary Developer API Deprecated API DataIterator API DataIterator ExecutionOptions API Constructor Resource Options Checkpoint API Configuration Aggregation API GroupedData API Computations or Descriptive Stats Expressions Function Application Expressions API Public API Expression Classes Expression namespaces Data types Class Enumeration Global configuration DataContext AutoscalingConfig Preprocessor Preprocessor Interface Generic Preprocessors Categorical Encoders Feature Scalers K-Bins Discretizers Feature Hashers and Vectorizers Specialized Preprocessors Large Language Model (LLM) API LLM processor builder Processor Processor configs Stage configs API Guide for Users from Other Data Libraries For Pandas Users For PyArrow Users For PyTorch Dataset & DataLoader Users