phpisciuneri

No need to call substituteVariables when no variables

3

Removes a small inefficiency. When there are no vars in the config file or passed at the command line there is no need to call `variableSubstitution`.

Implement Column Statistics / Data Profiling for Numeric Columns

1

As discussed in our original Spark Summit presentation: See [22 min mark](https://youtu.be/LTeZoo6kEBQ?t=1319). _Listening to myself is awful btw._ Inspired by the nice visualization provided by [Facets Overview](https://pair-code.github.io/facets/) while leveraging spark...

Currently, if I wanted to check for null values in each of the columns (`age`, `occupation`) of a table, the `checks:` section of the configuration file would contain something this:...

Support for GroupBy

1

Feature request for supporting grouping and then checks on grouped data.