1
0
mirror of https://github.com/microsoft/qlib.git synced 2026-07-07 13:00:58 +08:00
This commit is contained in:
bxdd
2021-06-01 18:50:50 +08:00
parent 04fff8ca36
commit 4d48c96d30
6 changed files with 96 additions and 109 deletions

View File

@@ -14,27 +14,6 @@ from qlib.workflow.record_temp import SignalRecord, SigAnaRecord, PortAnaRecord
from qlib.tests import TestAutoData
from qlib.tests.config import CSI300_GBDT_TASK, CSI300_BENCH
port_analysis_config = {
"strategy": {
"class": "TopkDropoutStrategy",
"module_path": "qlib.contrib.strategy.strategy",
"kwargs": {
"topk": 50,
"n_drop": 5,
},
},
"backtest": {
"verbose": False,
"limit_threshold": 0.095,
"account": 100000000,
"benchmark": CSI300_BENCH,
"deal_price": "close",
"open_cost": 0.0005,
"close_cost": 0.0015,
"min_cost": 5,
},
}
def train():
"""train model
@@ -58,7 +37,7 @@ def train():
with R.start(experiment_name="workflow"):
R.log_params(**flatten_dict(CSI300_GBDT_TASK))
model.fit(dataset)
R.save_objects(trained_model=model)
# prediction
recorder = R.get_recorder()
# To test __repr__
@@ -68,7 +47,6 @@ def train():
rid = recorder.id
sr = SignalRecord(model, dataset, recorder)
sr.generate()
pred_score = sr.load()
# calculate ic and ric
sar = SigAnaRecord(recorder)
@@ -76,7 +54,7 @@ def train():
ic = sar.load(sar.get_path("ic.pkl"))
ric = sar.load(sar.get_path("ric.pkl"))
return pred_score, {"ic": ic, "ric": ric}, rid
return {"ic": ic, "ric": ric}, rid
def train_with_sigana():
@@ -103,10 +81,9 @@ def train_with_sigana():
sar.generate()
ic = sar.load(sar.get_path("ic.pkl"))
ric = sar.load(sar.get_path("ric.pkl"))
pred_score = sar.load("pred.pkl")
uri_path = R.get_uri()
return pred_score, {"ic": ic, "ric": ric}, uri_path
return {"ic": ic, "ric": ric}, uri_path
def fake_experiment():
@@ -130,13 +107,11 @@ def fake_experiment():
return default_uri == default_uri_to_check, current_uri == current_uri_to_check, current_uri
def backtest_analysis(pred, rid):
def backtest_analysis(rid):
"""backtest and analysis
Parameters
----------
pred : pandas.DataFrame
predict scores
rid : str
the id of the recorder to be used in this function
@@ -147,16 +122,54 @@ def backtest_analysis(pred, rid):
"""
recorder = R.get_recorder(experiment_name="workflow", recorder_id=rid)
dataset = init_instance_by_config(CSI300_GBDT_TASK["dataset"])
model = recorder.load_object("trained_model")
port_analysis_config = {
"executor": {
"class": "SimulatorExecutor",
"module_path": "qlib.backtest.executor",
"kwargs": {
"time_per_step": "day",
"generate_report": True,
},
},
"strategy": {
"class": "TopkDropoutStrategy",
"module_path": "qlib.contrib.strategy.model_strategy",
"kwargs": {
"model": model,
"dataset": dataset,
"topk": 50,
"n_drop": 5,
},
},
"backtest": {
"start_time": "2017-01-01",
"end_time": "2020-08-01",
"account": 100000000,
"benchmark": CSI300_BENCH,
"exchange_kwargs": {
"freq": "day",
"limit_threshold": 0.095,
"deal_price": "close",
"open_cost": 0.0005,
"close_cost": 0.0015,
"min_cost": 5,
},
},
}
# backtest
par = PortAnaRecord(recorder, port_analysis_config)
par = PortAnaRecord(recorder, port_analysis_config, risk_analysis_freq="day")
par.generate()
analysis_df = par.load(par.get_path("port_analysis.pkl"))
analysis_df = par.load(par.get_path("port_analysis_1day.pkl"))
print(analysis_df)
return analysis_df
class TestAllFlow(TestAutoData):
PRED_SCORE = None
REPORT_NORMAL = None
POSITIONS = None
RID = None
@@ -166,18 +179,18 @@ class TestAllFlow(TestAutoData):
shutil.rmtree(str(Path(C["exp_manager"]["kwargs"]["uri"].strip("file:")).resolve()))
def test_0_train_with_sigana(self):
TestAllFlow.PRED_SCORE, ic_ric, uri_path = train_with_sigana()
ic_ric, uri_path = train_with_sigana()
self.assertGreaterEqual(ic_ric["ic"].all(), 0, "train failed")
self.assertGreaterEqual(ic_ric["ric"].all(), 0, "train failed")
shutil.rmtree(str(Path(uri_path.strip("file:")).resolve()))
def test_1_train(self):
TestAllFlow.PRED_SCORE, ic_ric, TestAllFlow.RID = train()
ic_ric, TestAllFlow.RID = train()
self.assertGreaterEqual(ic_ric["ic"].all(), 0, "train failed")
self.assertGreaterEqual(ic_ric["ric"].all(), 0, "train failed")
def test_2_backtest(self):
analyze_df = backtest_analysis(TestAllFlow.PRED_SCORE, TestAllFlow.RID)
analyze_df = backtest_analysis(TestAllFlow.RID)
self.assertGreaterEqual(
analyze_df.loc(axis=0)["excess_return_with_cost", "annualized_return"].values[0],
0.10,