| ica.elm_forecast | Forecasting from ICA based ELM model | 
| ica.elm_train | Training of ICA based ELM model for time series forecasting | 
| pca.elm_forecast | Forecasting from PCA based ELM model | 
| pca.elm_train | Training of PCA based ELM model for time series forecasting | 
| price | Aggregate gram price data |