Modify Data Commands

  RECODE varlist (valuelist = value) (valuelist = value) ... [/INTO varlist]
         [/varlist ...]

    Keywords: LO HI THRU ELSE MISSING SYSMIS


  COMPUTE variable = expression

  IF (condition) variable = expression

    Expression Operators: + - * / **
                          RND() TRUNC() SQRT() EXP() LG10() LN()
                          SUM() MEAN() SD() MIN() MAX()

    Conditional Operators:    = > < <= >= <> AND OR NOT