Grouping plots by DVC pipeline stage (or folder-based)

[maxagin]

Initially published at Notion by @mnrozhkov

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https://www.notion.so/iterative/Mikhail-Rozhkov-VSCode-DVC-Ext-106392d8bb9d4b69b02755419b8fe823#0841f52778fb4ac8a8caa975e99812fe

We discussed this in respect to plots.html file long time ago, it’s probably suits VSCode extension for now.
For justification:

• it may be useful when we have many plots at different stages: train/ evaluate
• also, we may organize plots when we have multiple train/ evaluate stages for different models (algorithms) or have foreach ... do
• both stage-based and folder-based seem as feasible solution

[maxagin]

For simplicity, we probably could have more sections (or sub-sections), that reflect the number of stages in the project. WDYT?

Another comment from Notion:

Using tabs inside view - not sure, however having able to sort of filter the stages or something similar would be beneficiary I think - Maxim

[sroy3]

I don't have a particular opinion on this. But anything we can hide (tab, section closing, filtering off stages...) is always good for performance.

[mattseddon]

Not a priority right now.