Grade data from students at a liberal arts college. IDs of students, professors, and departments have been dis-identified.
Format
Three data frames
Sessions: ID for a class session, that is, a course in a semester
sessionID: Unique identifier for the session
iid: Unique identifier for the instructor
enroll: Total enrollment in the session (note: includes students who didn't make it into the sample in
Grades)dept: Unique identifier for the department
level: Instruction evel of the course 100, 200, 300, 400. Roughly: first-year, sophomore, junior, senior
sem: The semester in which the session was held.
Grades: A 50% random sample of student-by-student grades in those Sessions
sid: Unique identifier or the student.
grade: Letter grade: A, A-, B+ and so on,
sessionID: The course session for the grade, as in the Sessions data frame
Gradepoint: Letter to numerical conversion (per college policy)
grade: Letter grade: A, A-, and so on
gradepoint: Numerical equivalent
An object of class data.frame with 6124 rows and 3 columns.
An object of class grouped_df (inherits from tbl_df, tbl, data.frame) with 14 rows and 2 columns.