NOTE: Invalid data for Salary in line 4 15-23.

RULE:
----+----1----+----2----+----3----+----4----+----5--

4 120104 F 46#30 11MAY1954 33

Employee_Id=120104 employee_gender=F Salary=. birth_date=-2061 _ERROR_=1 _N_=4

NOTE: 20 records were read from the infile 'c:\employees.dat'.

The minimum record length was 33.

The maximum record length was 33.

NOTE: The data set WORK.EMPLOYEES has 20 observations and 4 variables.

What does it mean?

A.A compiler error, triggered by an invalid character for the variable Salary.

B.An execution error, triggered by an invalid character for the variable Salary.

C.The 1st of potentially many errors, this one occurring on the 4th observation.

D.An error on the INPUT statement specification for reading the variable Salary.

(我觉得是B)

4.Consider the following data step:

data WORK.NEW;

set WORK.OLD;

Count+1;

run;

The variable Count is created using a sum statement. Whichstatement regarding this variable is true?

A.It is assigned a value 0 when the data step begins execution.

B.It is assigned a value of missing when the data step begins execution.

C.It is assigned a value 0 at compile time.

D.It is assigned a value of missing at compile time.

(我选A)

5.A user-defined format has been created using the FORMAT procedure.