search for: vems18a

Displaying 1 result from an estimated 1 matches for "vems18a".

2005 Feb 03
1
help on "stack" function
...ata wich colnames are : "id","VEMS5A","VEMS6A","VEMS7A","VEMS8A","VEMS9A","VEMS10A","VEMS11A","VEMS12A","VEMS13A","VEMS14A","VEMS15A","VEMS16A","VEMS17A","VEMS18A","cohort") With "VEMS5A" is the value when the subject (id) was 5 year old,... "VEMS18A" is the value when the subject(id) was 18 year old I want to make a new data wich colnames will be : "id","age", and "VEMS" Where "age&qu...