Frequencies for adr_vndr_cd variable in hosp_rpt2552_96_1997 dataset :

  automated |
desk review |
vendor code |      Freq.     Percent        Cum.
------------+-----------------------------------
          2 |        812       12.73       12.73
          3 |      3,112       48.78       61.50
          4 |      2,456       38.50      100.00
------------+-----------------------------------
      Total |      6,380      100.00

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