It would be neat to add the hex sticker to this library: http://hexb.in/

The specs for adding to the library are here: https://github.com/maxogden/hexbin

Someone would need to get the .ai file down from 1.5 MB to 500kb, and save it as a png with specific dimensions. I don't have Adobe Illustrator or know how to do this; if you can do this, it would be a nice way to contribute! I can't add

Is your feature request related to a problem? Please describe.

Currently the built-in Check methods relating to the comparison operators <, >, ==, etc. are sort of long and unwieldy (the rationale here was to make it human-readable). However, it seems like pandas and indeed python uses shorthand of ge (>=), le (<=), etc. for these binary operators.

**Describe the soluti

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

As detailed in:
https://github.com/marketplace/actions/run-circleci-artifacts-redirector?version=0.1.0

It is used to link from the PR to the docs rendered by circleci, for instance in scikit-learn or sphinx-gallery. It helps reviewing PRs.

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

In this lesson, the section on Dates and Numbers utilizes the simple date format syntax to output the date in a human readable format. I think the lesson could benefit from an explanation of simple date format, or at least a reference/link to the Wiki page on [GREL Date Functions](https://github.com/OpenRefine/OpenRef