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mirror of https://github.com/microsoft/qlib.git synced 2026-07-13 07:46:53 +08:00

Add TabNet config

This commit is contained in:
Jactus
2020-11-25 11:16:01 +08:00
parent 0e2c2fcd7f
commit 991c6195bd
9 changed files with 114 additions and 34 deletions

View File

@@ -9,19 +9,24 @@ from ...model.base import Model
from ...data.dataset import DatasetH
from ...data.dataset.handler import DataHandlerLP
class TabNetModel(Model):
"""TabNetModel Model"""
def __init__(self, n_d, n_a,
n_steps,
gamma,
n_independent,
n_shared,
seed,
momentum,
lambda_sparse,
optimizer_params,
**kwargs):
def __init__(
self,
n_d,
n_a,
n_steps,
gamma,
n_independent,
n_shared,
seed,
momentum,
lambda_sparse,
optimizer_params,
**kwargs
):
self.model = None
self.n_d = n_d
@@ -47,28 +52,28 @@ class TabNetModel(Model):
seed=0,
momentum=0.02,
lambda_sparse=1e-3,
optimizer_params={'lr':2e-3},
optimizer_params={"lr": 2e-3},
**kwargs
):
df_train, df_valid = dataset.prepare(
["train", "valid"], col_set=["feature", "label"], data_key=DataHandlerLP.DK_L
)
x_train, y_train = df_train["feature"].values, df_train["label"].values*100
x_valid, y_valid = df_valid["feature"].values, df_valid["label"].values*100
x_train, y_train = df_train["feature"].values, df_train["label"].values * 100
x_valid, y_valid = df_valid["feature"].values, df_valid["label"].values * 100
self.model = TabNetRegressor(
n_d=self.n_d,
n_a=self.n_a,
n_steps=self.n_steps,
gamma=self.gamma,
n_independent=self.n_independent,
n_shared=self.n_shared,
seed=self.seed,
momentum=self.momentum,
lambda_sparse=self.lambda_sparse,
optimizer_params=self.optimizer_params,
**kwargs
n_d=self.n_d,
n_a=self.n_a,
n_steps=self.n_steps,
gamma=self.gamma,
n_independent=self.n_independent,
n_shared=self.n_shared,
seed=self.seed,
momentum=self.momentum,
lambda_sparse=self.lambda_sparse,
optimizer_params=self.optimizer_params,
**kwargs
)
self.model.fit(x_train, y_train, eval_set=[(x_valid, y_valid)])

View File

@@ -25,7 +25,9 @@ class BaseStrategy:
return 0.95
def generate_order_list(self, score_series, current, trade_exchange, pred_date, trade_date):
"""Parameter
"""
Parameters:
-----------
score_series : pd.Seires
stock_id , score
current : Position()
@@ -44,8 +46,8 @@ class BaseStrategy:
def update(self, score_series, pred_date, trade_date):
"""User can use this method to update strategy state each trade date.
Parameter
---------
Parameters:
-----------
score_series : pd.Series
stock_id , score
pred_date : pd.Timestamp
@@ -97,7 +99,7 @@ class AdjustTimer:
Responsible for timing of position adjusting
This is designed as multiple inheritance mechanism due to
- the is_adjust may need access to the internel state of a strategyw
- the is_adjust may need access to the internel state of a strategy
- it can be reguard as a enhancement to the existing strategy
"""
@@ -139,7 +141,7 @@ class WeightStrategyBase(BaseStrategy, AdjustTimer):
def generate_target_weight_position(self, score, current, trade_date):
"""
Parameters:
---------
-----------
score : pred score for this trade date, pd.Series, index is stock_id, contain 'score' column
current : current position, use Position() class
trade_exchange : Exchange()
@@ -228,7 +230,7 @@ class TopkDropoutStrategy(BaseStrategy, ListAdjustTimer):
Gnererate order list according to score_series at trade_date, will not change current.
Parameters:
----------
-----------
score_series : pd.Series
stock_id , score
current : Position()