`connect_means` connects the means to the modelsummary dataframe.
     
    
    Usage
    connect_means(panel_df, means)
 
     
    
    Arguments
    - panel_df
 
The modelsummary dataframe supplied from modelsummary::modelsummary(x, output = "data.frame")
 
- means
 
The list of named vectors of means which correspond to each model.
 
 
    
    Value
    
A data.frame with the attached means.