Get a list of all values for the specified metric for a given run.
mlflow_get_metric_history(metric_key, run_id = NULL, client = NULL)
Name of the metric.
Run ID.
(Optional) An MLflow client object returned from mlflow_client. If specified, MLflow will use the tracking server associated with the passed-in client. If unspecified (the common case), MLflow will use the tracking server associated with the current tracking URI.