A note from Uwe Ligges of CRAN:

For the future: Is there some reference about the method you can add in the Description field in the form Authors (year) doi:.....?

I don't know about DOIs. Anyone have a thought on this? Is it only appropriate for packages associated with a research paper?

Describe the bug
Trying to validate a MultiIndex data frame with a schema that Index has been set to single Index.

• I have checked that this issue has not already been reported.
• I have confirmed this bug exists on the latest version of pandera.
• (optional) I have confirmed this bug exists on the master branch of pandera.

Code Sample, a copy-pastable example

`

Write unit test coverage for SafeDataset and SafeDataLoader, along with the functions in utils.py.

Context

Why do we add this issue?

Our goal is to make it easy to visualise data and to make those visualisations of good quality and thus trustworthy. This also means setting limitations to what users can do, so they do not make mistakes.

Problem or idea

What is the cause?

Line charts are similar to scatter plots except that the measurement points are ordered by their x-axis va

We had some questions about compatibility with the Edge browser in a workshop today during the OpenRefine lesson (https://morskyjezek.github.io/2021-03-30-usgs-online/). It seems the OR 3.4.1 is compatible with the Edge browser: https://docs.openrefine.org/manual/running/#starting-and-exiting - it may be a good idea to remove the note on the index.md page to show only IE is not compatible.