# expected output form of pred_input_info

    Code
      summary(predinfo_test1)
    Output
      Information about 1 existing model(s) of type 'logistic' 
      
      Model Coefficients 
      ================================= 
        Intercept Age Age_squared Age_logged
      1        -2   5        0.05       0.06
      
      Model Functional Form 
      ================================= 
      Age + Age_squared + Age_logged