Welcome to Great Expectations!

• Introduction
  • What is great_expectations?
  • Why would I use Great Expectations?
  • How do I get started?
  • What expectations are available?
  • Can I contribute?
  • How do I learn more?
  • What’s the best way to get in touch with the Great Expectations team?
  • Great Expectations doesn’t do X. Is it right for my use case?
• Data Contexts
  • PandasCSVDataContext
  • SqlAlchemyDataContext
• Expectations
  • Connect-and-expect
  • Instant feedback
  • Capture More About Your Data
  • Saving Expectations
  • Types of Expectations
• Distributional Expectations
  • Great Expectations’ Philosophy of Distributional Expectations
  • Partition Objects
  • Constructing Partition Objects
  • Distributional Expectations Core Tests
  • Distributional Expectations Alternatives
• Validation
  • Command-line validation
  • Deployment patterns
• Workflow advantages
• Glossary of Expectations
  • Table shape
  • Missing values, unique values, and types
  • Sets and ranges
  • String matching
  • Datetime and JSON parsing
  • Aggregate functions
  • Column pairs
  • Distributional functions

Advanced

• Standard arguments for expectations
  • result_format
  • include_config
  • catch_exceptions
  • meta
  • mostly
  • Dataset defaults
• result_format
  • result_format
  • result_format examples
  • Behavior for BOOLEAN_ONLY
  • Behavior for BASIC
  • Behavior for SUMMARY
  • Behavior for COMPLETE
• Using Evaluation Parameters
• Custom expectations
  • The easy way
  • The hard way
  • The quick way
  • Using custom expectations
• Naming conventions
• Extending Great Expectations
• Changelog and Roadmap
  • Planned Features
  • v.0.4.4
  • v.0.4.3
  • v.0.4.2
  • v.0.4.1
  • v.0.4.0
  • v.0.3.2
  • v.0.3.1
  • v.0.2

Module Docs

• Dataset Module
  • great_expectations.dataset.base
  • great_expectations.dataset.pandas_dataset
  • great_expectations.dataset.sqlalchemy_dataset
  • great_expectations.dataset.util
• Data Context Module
  • great_expectations.data_context.base
  • great_expectations.data_context.PandasCSVDataContext
  • great_expectations.data_context.SqlAlchemyDataContext

Indices and tables

• Index
• Module Index
• Search Page