DETAILS If an numeric variable has no ranges or valid values but does have missing values then the auto number option in the I/O columns dialog will assign a width based on the widest missing value. In the example a width of 1 would be assigned even though there are no restrictions on the value. EXAMPLE PROGRAM DATA LIST MYVAR * (I4) MISSING VALUES MYVAR (1) WORKAROUND Manually set the width for such columns.