gpa

GPA or Grade Point Average is designed to track the letter_grade of a value and convert it to a mathematical value.

GPA is a value between 0 and 4 and can be assigned a value modified for a  or  associated with the letter_grade.

The  is intended to be associated with a sig_var of 1, or a High Performer value

The  is intended to be associated with a sig_var of -1, or a Poor Performer value

Possible Grade Point Conversion Scale for letter_grades: