Files
drift/run_inference.py
T
Daniel Szemerey 516c8bcc87 feat(Inference): Inference now runs on the entire pipeline, only train/predict one asset, adjust trading costs (#173)
* fix, feat: Fixed inference processing data. Add transformation attribute.

* feat: Added transformations step, refractored the loop to make more sense (divided the train and inference loop).

* feat: Truncated models over time and transformations over time. Fixed some typing aswell.

* fix: Fixed a number of out of array problems.

* feat: Inference now works!

* fix(Steps): runtime error not checking for None

* fix(Steps): preloaded transformers are not optional anymore, sped up training by temporary increasing the retrain_every

* fix(CI): disable ray memory monitoring

* refactor(Inference): removed truncate_models and replaced it with filling X with NaN until inference should start

* feat(Inference): added index_from parameter

* fix(Tests): walk_forward test

* refactor(Pipeline): only predict one asset

* refactor(Inference): removed select_models step, inference code moved to run_inference.py so it matches convention (similar to run_pipeline.py)

* fix(Evaluation): adjust transaction costs

* fix(Config): adjusted retrain_every

Co-authored-by: Daniel Szemerey <szemereydaniel@gmail.com>
Co-authored-by: Mark Aron Szulyovszky <mark.szulyovszky@gmail.com>
2022-01-23 11:38:40 +01:00

47 lines
2.3 KiB
Python

from data_loader.load_data import load_data
from data_loader.process_data import check_data
from reporting.saving import load_models
from run_pipeline import run_pipeline
from config.config import get_dev_config, get_default_ensemble_config, get_lightweight_ensemble_config
from typing import Callable, Optional
from reporting.types import Reporting
from training.training_steps import primary_step, secondary_step
import warnings
def run_inference(preload_models:bool, get_config:Callable):
if preload_models:
all_models, data_config, training_config, model_config = load_models(None)
else:
all_models, data_config, training_config, model_config, _, _, _ = run_pipeline(project_name='price-prediction', with_wandb = False, sweep = False, get_config=get_config)
configs = dict(model_config=model_config, training_config=training_config, data_config=data_config)
__inference(configs, all_models.primary, all_models.secondary)
def __inference(configs: dict, primary_models: Optional[Reporting.Training_Step], secondary_models: Optional[Reporting.Training_Step]):
reporting = Reporting()
asset = configs['data_config']['target_asset']
# 1. Load data, check for validity and process data
X, y, target_returns = load_data(**configs['data_config'])
assert check_data(X, y, configs['training_config']) == True, "Data is not valid. Cancelling Inference."
inference_from = X.index.stop - 2
# 2. Train a Primary model with optional metalabeling for each asset
training_step_primary, current_predictions = primary_step(X, y, target_returns, configs, reporting, from_index = inference_from, preloaded_training_step = primary_models)
# 3. Train an Ensemble model with optional metalabeling for each asset
if secondary_models is not None:
warnings.warn("Secondary models are not specified.")
training_step_secondary = secondary_step(X, y, current_predictions, target_returns, configs, reporting, from_index = inference_from, preloaded_training_step = secondary_models)
# 4. Save the models
reporting.asset = Reporting.Asset(ticker=asset, primary=training_step_primary, secondary=training_step_secondary)
return reporting
if __name__ == '__main__':
run_inference(preload_models=True, get_config=get_lightweight_ensemble_config)