Re: [R] Something is wrong; all the MAE metric values are missing

2019-12-25 Thread Ivan Krylov
Try printing the value of `param` in your `obj` function before calling train() or getTrainPerf(). Optimizers are prone to giving unexpected values [*] in trying to lower the loss function. It might be the case of an unconstrained optimizer leaving the realm of the feasible because no-one told it

[R] Something is wrong; all the MAE metric values are missing

2019-12-25 Thread Neha gupta
Hi I am using Simulated annealing to tune the parameters of xgbtree for regression dataset. When I run the code to tune the parameters of SVM and RF, it works but when I run the same code for xgbTree, it gives stops and give error: Something is wrong; all the MAE metric values are missing: