set_presence_penalty sets the presence penalty related to the model in the workflow.
     
    
    Usage
    set_presence_penalty(workflow_obj, presence_penalty)
 
    
    Arguments
- workflow_obj
- an ai_workflow object created by ai_workflow() in the first place. 
- presence_penalty
- the presence penalty value used by the model. A value closer to 1 encourages the model to generate more novel and diverse text. A lower value, closer to 0, encourages cliche phrases. 
 
    
    Details
    Set the presence_penalty to be used by the model in the workflow.
     
    
    Examples
    my_workflow <- ai_workflow() |> 
set_model(model_name="llama3:8b-instruct-q5_0") |> 
set_presence_penalty(0.9)