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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 5.5True
train_split(float, optional)Train/val split. Defaults to 0.85.0.85True
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 5.5True
input_chunk_length(int, optional)Number of past time steps that are fed to the forecasting module at prediction time.
Defaults to 14.
14True
output_chunk_length(int, optional)The length of the forecast of the model. Defaults to 5.5True
hidden_size(int, optional)Hidden state size of the TFT. Defaults to 16.16True
lstm_layers(int, optional)Number of layers for the Long Short Term Memory Encoder and Decoder. Defaults to 16.1True
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>FalseTrue
dropout(float, optional)Fraction of neurons affected by dropout. Defaults to 0.1.0.1True
hidden_continuous_size(int, optional)Default hidden size for processing continuous variables. Defaults to 8.8True
n_epochs(int, optional)Number of epochs to run during training. Defaults to 200.200True
batch_size(int, optional)Number of samples to pass through network during a single epoch. Defaults to 32.32True
model_save_name(str, optional)The name for the model. Defaults to tft_modeltft_modelTrue
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.
TrueTrue
save_checkpoints(bool, optional)Whether or not to automatically save the untrained model and checkpoints from training.
Defaults to True.
TrueTrue

Returns​

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