Frequencies for adr_vndr_cd variable in hosp_rpt2552_96_2001 dataset :

  automated |
desk review |
vendor code |      Freq.     Percent        Cum.
------------+-----------------------------------
          2 |        643       10.42       10.42
          3 |      2,356       38.17       48.59
          4 |      3,173       51.41      100.00
------------+-----------------------------------
      Total |      6,172      100.00

by Jean Roth , jroth@nber.org , 21 Apr 2018