feat: Add method to get lightgbm native model string directly #1515
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@@ Coverage Diff @@
## master #1515 +/- ##
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+ Coverage 84.24% 84.30% +0.05%
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Files 296 296
Lines 14906 14904 -2
Branches 717 714 -3
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+ Hits 12558 12565 +7
+ Misses 2348 2339 -9
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mhamilton723
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Summary
This PR adds the ability to get the native lightgbm model directly as a string.
This is for the spark version of error analysis, to retrieve the trained surrogate model on errors for traversal in the RAI toolbox:
https://github.com/microsoft/responsible-ai-toolbox/blob/main/erroranalysis/erroranalysis/_internal/surrogate_error_tree.py#L296
For more information on error analysis please see:
https://github.com/microsoft/responsible-ai-toolbox/blob/main/docs/erroranalysis-dashboard-README.md
Tests
I validated that I can get the model string from the LightGBM model.
Dependency changes
No dependency changes required.
AB#1800563