[R] Help with GAM (mgcv)

[Stressed1985]

Thank you for your reply!

It says:
This is mgcv  1.5-5 . For overview type `help("mgcv-package")'.

Its version: R 2.9.2

And summary(data2) gives:

       id              age             bmi           siblings        gender   
 Min.   :   1.0   Min.   :32.19   Min.   :16.41   Min.   :0.000   Female:494  
 1st Qu.: 273.5   1st Qu.:48.11   1st Qu.:23.44   1st Qu.:1.000   Male  :521  
 Median : 567.0   Median :57.86   Median :25.81   Median :1.000               
 Mean   : 559.5   Mean   :58.72   Mean   :26.42   Mean   :1.401               
 3rd Qu.: 839.5   3rd Qu.:69.06   3rd Qu.:28.90   3rd Qu.:2.000               
 Max.   :1117.0   Max.   :90.02   Max.   :59.25   Max.   :2.000               
   cigarette                        alcohol    coffee     drugs    
 never  :533   None                     :380   No :209   None:930  
 Current:200   At least a glass per week:164   yes:806   yes : 85  
 Former :282   At least a glass per day :471                       
                                                                   
                                                                   
                                                                   
  maritalStatus      edu                job        famhxGast       famhxPep  
 Single  :128   Min.   :1.000   Employed  :510   Min.   :1.00   Min.   :1.0  
 Married :793   1st Qu.:1.000   retired   :362   1st Qu.:1.00   1st Qu.:1.0  
 Widowed : 61   Median :2.000   housewife :132   Median :1.00   Median :1.0  
 Divorced: 33   Mean   :1.901   unemployed: 11   Mean   :1.13   Mean   :1.2  
                3rd Qu.:3.000                    3rd Qu.:1.00   3rd Qu.:1.0  
                Max.   :4.000                    Max.   :2.00   Max.   :2.0  
    hp_stat    txerad       Symptoms    
 Absent :431   no :923   Min.   :0.000  
 Present:584   yes: 92   1st Qu.:0.000  
                         Median :0.000  
                         Mean   :0.466  
                         3rd Qu.:1.000  
                         Max.   :1.000  
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