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tft

Performs Temporal Fusion Transformer forecasting

Source Code: [link]

openbb.forecast.tft(data: Union[pd.Series, pd.DataFrame], target_column: str = "close", n_predict: int = 5, past_covariates: str = None, train_split: float = 0.85, forecast_horizon: int = 5, input_chunk_length: int = 14, output_chunk_length: int = 5, hidden_size: int = 16, lstm_layers: int = 1, num_attention_heads: int = 4, full_attention: bool = False, dropout: float = 0.1, hidden_continuous_size: int = 8, n_epochs: int = 200, batch_size: int = 32, model_save_name: str = "tft_model", force_reset: bool = True, save_checkpoints: bool = True)

Parameters​

NameTypeDescriptionDefaultOptional
data (Union[pd.Series, pd.DataFrame])Input DataNoneTrue
target_columnOptional[str]:Target column to forecast. Defaults to "close".closeTrue
n_predict (int, optional)Days to predict. Defaults to 5.NoneTrue
train_split (float, optional)Train/val split. Defaults to 0.85.NoneTrue
past_covariates (str, optional)Multiple secondary columns to factor in when forecasting. Defaults to None.NoneTrue
forecast_horizon (int, optional)Forecast horizon when performing historical forecasting. Defaults to 5.NoneTrue
input_chunk_length (int, optional)Number of past time steps that are fed to the forecasting module at prediction time.
Defaults to 14.
NoneTrue
output_chunk_length (int, optional)The length of the forecast of the model. Defaults to 5.NoneTrue
hidden_size (int, optional)Hidden state size of the TFT. Defaults to 16.NoneTrue
lstm_layers (int, optional)Number of layers for the Long Short Term Memory Encoder and Decoder. Defaults to 16.NoneTrue
num_attention_headers (int, optional)Number of attention heads. Defaults to 4.NoneTrue
full_attention (bool, optional)Whether to apply a multi-head attention query. Defaults to False>NoneTrue
dropout (float, optional)Fraction of neurons affected by dropout. Defaults to 0.1.NoneTrue
hidden_continuous_size (int, optional)Default hidden size for processing continuous variables. Defaults to 8.NoneTrue
n_epochs (int, optional)Number of epochs to run during training. Defaults to 200.NoneTrue
batch_size (int, optional)Number of samples to pass through network during a single epoch. Defaults to 32.NoneTrue
model_save_name (str, optional)The name for the model. Defaults to tft_modelNoneTrue
force_reset (bool, optional)If set to True, any previously-existing model with the same name will be reset
(all checkpoints will be discarded). Defaults to True.
NoneTrue
save_checkpoints (bool, optional)Whether or not to automatically save the untrained model and checkpoints from training.
Defaults to True.
NoneTrue

Returns​

TypeDescription
Adjusted Data series,
List of historical fcast values,
List of predicted fcast values,
Optional[float] - precision,
Fit Prob. TFT model object.