ValdarT

Looks nice enough to me: https://github.com/JuliaML/MLPlots.jl

It would be especially useful if impact on critical models would be surfaced on alerts: e.g., if model B is marked as critical and depends on model A and model...

> Make it possible to generate a model matrix in which observations are columns in addition to the current implementation in which observations are rows. I think this + allowing...

A general comment: I'd really like this and concatenated charts to be supported so that it would be easy to create charts like this on larger datasets with Altair: https://altair-viz.github.io/gallery/errorbars_with_ci.html

Very glad to see there is work being done on pushing the aggregations down to Pandas. Perhaps the [koalas](https://github.com/databricks/koalas) library would be a relatively simple way of additionally supporting PySpark...