In OB7-IRD/t3: Tropical Tuna Treatment

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## Modelling species proportion in catch and Computation of catch estimates The level 3 process of the T3R package aim at modelling species composition before estimating catch for the major tuna species only: Yellowfin tuna, skipjack and bigeye tuna. The process is divided in 5 steps: | **Process** | **Name** | **Corresponding method** | |---------------|----------------------------|------------------------------------| | 3.1 | Data preparatory | `data_preparatory()` | | 3.2 | Modelling | `random_forest_models() ` | | 3.3 | Data and model diagnostic | `models_checking()` | | 3.4 | Dataset for prediction | `data_formatting_for_predictions()`| | 3.5 | Catch prediction | `model_predictions()` | ### Process 3.1: Data preparatory