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qlib/qlib/model/trainer.py
2020-11-26 12:40:50 +00:00

41 lines
1.3 KiB
Python

# Copyright (c) Microsoft Corporation.
# Licensed under the MIT License.
from qlib.utils import init_instance_by_config, flatten_dict
from qlib.workflow import R
from qlib.workflow.record_temp import SignalRecord
def task_train(config: dict, experiment_name):
"""
task based training
Parameters
----------
config : dict
A dict describing the training process
"""
# model initiaiton
model = init_instance_by_config(config.get("task")["model"])
dataset = init_instance_by_config(config.get("task")["dataset"])
# start exp
with R.start(experiment_name=experiment_name):
# train model
R.log_params(**flatten_dict(config.get("task")))
model.fit(dataset)
recorder = R.get_recorder()
# generate records: prediction, backtest, and analysis
for record in config.get("task")["record"]:
if record["class"] == SignalRecord.__name__:
srconf = {"model": model, "dataset": dataset, "recorder": recorder}
record["kwargs"].update(srconf)
sr = init_instance_by_config(record)
sr.generate()
else:
rconf = {"recorder": recorder}
record["kwargs"].update(rconf)
ar = init_instance_by_config(record)
ar.generate()