Plotly Express cannot process wide-form data with columns of different type
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- Dominant language
- Python
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Description
Hi there! I’ve been trying to use px.scatter with a wide-format dataframe but, as “expected”, when i include columns in the dataframe that are not numeric i get the ValueError: Plotly Express cannot process wide-form data with columns of different type.
I can see the reason for this behavior when using something like a box plot. But i don’t get why this could be a problem for something like px.scatter when using something like x=df.columns, y=df.index, facet_col=‘variable’ where EACH wide dataframe column would be independent making its dtype irrelevant in comparison with the other columns. Could this condition be “skipped” in future versions when using a px.scatter like this?
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Research direction
The issue names px.scatter and a wide-form dataframe but no files or tests; start by reproducing the ValueError with mixed-type columns and tracing the wide-form validation. Done means determining whether scatter can accept independently typed columns while preserving appropriate validation for other chart types, with regression coverage for the requested case.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- plotly, python
- Domain
- data-visualization
- Issue type
- Feature
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Active
- Clarity
- Mostly clear
- Newbie friendliness
- 48/100