My SAS Tutorials

Thursday, 27 February 2014

SAS INTERVIEWS CONCEPTUAL QUESTIONS XVII

DATA Description

We have 50 Numeric variables(Var1-Var50) and 40 Character Variables(Char1-Char40) in a SAS Data set. Out of 50 Numeric variables Var1-Var35 has missing numeric values(Period or Dot) and Char1-Char10 has missing Character values(Blank).

TASK

 We have to replace All the Missing Numeric Values  with 0(zero) but only in Var1-Var35 and All the Missing Character Values with "Missing" word. We should not effect the missing Values of Var36-Var50  and Char11-Char40.

Then we have to import the data in Excel.

I am expecting most efficient program as this task can be done in many ways.


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1 comment:

  1. Nikunj17 March 2014 at 12:55

    data test;
    set test;
    array nvar(*) _numeric_;
    array cvar(*) _character_;

    do i = 1 to 35 ;
    nvar(i) = 0;
    end;

    do i = 11 to 20 ;
    cvar(i) = 'Missing';
    end;
    drop i;

    run;

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