buggood first issueobjectives and metrics
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Description
Problem: catboost version: 0.23.2 Operating System: all Tutorial: https://github.com/catboost/tutorials/blob/master/custom_loss/custom_metric_tutorial.md
Impossible to use custom metric (С++).
Code example
from catboost import CatBoost
train_data = [[1, 4, 5, 6],
[4, 5, 6, 7],
[30, 40, 50, 60]]
eval_data = [[2, 4, 6, 8],
[1, 4, 50, 60]]
train_labels = [10, 20, 30]
model = CatBoost(params={"loss_function":"UserPerObjMetric",'leaf_estimation_backtracking': 'No','eval_metric':'RMSE'})
model.fit(train_data, train_labels)
preds = model.predict(eval_data)
