selectModel: Select the best performing model
In jsalminen/KaggleSolveR:

Select the best performing model

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selectModel(train_x, train_y, valid_x, valid_y, task_type, metric,
  minimize_score = TRUE, best_fit_model = NULL, model_list = NULL,
  verbose = TRUE)

`train_x`	A data frame for training features
`train_y`	A data frame for training targets
`valid_x`	A data frame for validation features
`valid_y`	A data frame for validation targets
`metric`	A string for metric type
`minimize_score`	A boolean
`best_fit_model`	An optional list containing an earlier best model
`model_list`	An optional vector of models to fit
`verbose`	A boolean