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debdippal
Calcite | Level 5

Suppose we have the values for each of the 3 variables eg. Score_assignment, Score_quiz, Score_forum for a set of students. Now I want to get the average value for each of the student.  But for some students values of one or more variables are missing. Then we will calculate the average by using the following formula:

  1. Ex.

Student No.

Score_assignment

Score_quiz

Score_forum

Average

1

10

15

45

(10+15+45)/3

2

14

20

(14+20)/2

3

41

41/1

Please write down a sas code such that I can calculate the average value using the above logic.

1 ACCEPTED SOLUTION

Accepted Solutions
vxhong17
Calcite | Level 5

Hi debdippal,

Average = mean(Score_assignment, Score_quiz, Score_forum);

View solution in original post

3 REPLIES 3
vxhong17
Calcite | Level 5

Hi debdippal,

Average = mean(Score_assignment, Score_quiz, Score_forum);

RichardinOz
Quartz | Level 8

vxhong17 is correct.  Read the documentation on the mean() function and you will see that it automatically omits missing values from its calculations.

Richard

debdippal
Calcite | Level 5

Thanks

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