If SAT or ACT scores were used for admission decisions it calculates the requisite percentiles for submission.
make_adm_part_C(df, ptype = 7)Admissions Part C data with the required IPEDS structure
A dataframe of applicant information
(Optional) An integer [1-9] indicating which calculation method to use for percentiles. The default value within R and here is 7. To see details, run ?quantile and scroll down to "Type".