| date_conversion | Infer frequency of a tsibble and convert its index to date or string. | 
| electricity | Electricity dataset | 
| electricity_exo_vars | Electricity dataset with exogenous variables | 
| electricity_future_exo_vars | Future values for the electricity dataset with exogenous variables | 
| infer_frequency | Infer frequency of a data frame. | 
| nixtla_client_cross_validation | Perform cross validation with 'TimeGPT'. | 
| nixtla_client_detect_anomalies | Detect anomalies with 'TimeGPT' | 
| nixtla_client_forecast | Generate 'TimeGPT' forecast | 
| nixtla_client_historic | Generate 'TimeGPT' forecast for the in-sample period (historical period). | 
| nixtla_client_plot | Plot the output of the following nixtla_client functions: forecast, historic, anomaly_detection, and cross_validation. | 
| nixtla_set_api_key | Set 'API' key in global environment | 
| nixtla_validate_api_key | Validate 'API' key |