HDUR Grading Criteria [1 pt] .QES file present and properly formatted [1 pt] .CHK file present with appropriate check codes [1 pt] .REC file present and of proper structure [1 pt] Variable names are correct and exactly as specified [1 pt] Variable types are correct and exactly as specified [4 pt] Data are error-free - graded on a 4 point scale [1 pt] Data documentation is adequate, either as a code book or file structure .not