Shift from rmse to auc in objective function

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Shift from rmse to auc in objective function

khan123
Hi
I am using genetic algorithm to tune svm parameters and reduce the rmse
value. I used return - svm_model$results$rmse

Now if I have to increase the accuracy, do I just need to remove the
negative sign and write as

return svm_model$results$Accuracy

Thanks

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