I recently was greeted with a ValueError when using evaluation parameters in Great Expectations. If you hit a similar error, read on. At the time of writing of this blog post, I was working on implementing data tests using Great Expectations. While trying out Evaluation Parameters in Expectations for the first time, I faced a cryptic ValueError message related to […]

In this blog post, we will explore the metric store and evaluation parameters feature of Great Expectations. These help us track data about our data collection. I will help you write a test to keep track of table row count using Great Expectations. This post is fifth in our series to help testers implement useful tests with Great Expectations for […]

In this blog post, we will implement outlier detection algorithms using Great Expectations. There is a socio-technical context to this blog post. On the social side of things, I want to emphasize that Great Expectations can be used to provide business folks information in a timely manner. On the technical side, we will look at how to use Great Expectations […]

In this post, we will help you host your Great Expectations test results on Netlify, a web hosting platform. This post is third in our series to help testers implement useful tests with Great Expectations for data validation. Implementing tests and running them is job half done. As testers it is quite essential to make sure our test results reach […]

In this post, we will help you run one Great Expectations test as part of your CI/CD pipeline using GitHub Actions. This post is second in our series to help testers implement useful tests with Great Expectations for data validation. If your instinct says that adding a single test to a CI/CD pipeline should not be the next part, read […]

I recently started exploring Great Expectations for performing data validation in one of my projects. It is an open-source Python library to test data pipelines and helps in validating data. The tool is being actively developed and is feature rich. At Qxf2, we feel that this tool has a lot of potential to help testers that need to grapple with […]