[R] Array

[Bronagh Grimes]

Hi there,

 

Just wondering if anyone has any tips for using arrays?

 

I am trying to convert the following SAS code to R:

 

 

data A2;  

 set A1;   

 by subject_id;

 retain   BX1-BX10    i; 

 array b(1:10) BX1-BX10 ;

 

 if first.subject_id then do ;

      do j=1 to 10;

       b(j) = .;    

      end;

      i=1;

 end;

 

b(i)  =  BX;

 i = i+1;

 

 if last.subject_id then output;

run ;

 

 

 

Many thanks in advance,

Bronagh

 


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