Read 4 Great Expectations reviews and testimonials from customers, explore 5 case studies and customer success stories, and watch customer videos to see why companies chose Great Expectations as their undefined

Great Expectations is the leading open source Python library for data testing, documentation, and profiling. Just released version 0.13 of Great Expectations on pypi In terms of total code touched, this is the biggest release in the history of the project.

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4Testimonials

  • “Everyone has different ways of implementing the same validation, that just isn’t very efficient."

    Madelon HulsebosData Scientist
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5 Case Studies

  • How the data engineering team at Calm, the leading app for sleep, meditation, and relaxation, is using Great Expectations to ensure high quality data

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