/ scikit-learn Public
ENH Fix averaged RMSE #17309
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What does this implement/fix? Explain your changes.
mean_squared_errormetric for the RMSE values that are averaged over multiple outputs. Previously, the behaviour was sqrt(average(MSE)). This has been changed to average(sqrt(MSE)) to reflect the documented functionality.
Documented functionality for the
multioutputargument is "Defines aggregating of multiple output values."
An example of the usage and output has been included in the documentation, and two tests that expected erroneous output have been changed.