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Metrics (Regression)
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R²
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646.
R-Squared of Zero
easy
What does an R² of 0 indicate about a regression model?
A
The model has zero training error and perfectly memorizes all training samples
B
The model is equivalent to a random predictor since it explains none of the individual observations
C
The model's predictions are completely uncorrelated with the true target values
D
The model explains no more variance than simply predicting the mean of the target for every input
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