grid search for imbalanced data

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grid search for imbalanced data

n-soltanzade
Hello everyone, I want to optimize the libsvm parameters with the grid search
option. My data includes 7 classes such as water, soil, plants, etc., whose
data is imbalanced. What metric is suitable for evaluating imbalanced data?
Accuracy, kappa, ...?
Thank you in advance for your reply
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