Frequencies for first 10,000 rows of ewarnr variable in namcs2015 dataset :

If location |
        has |
computerize |
          d |
 capability |
   to order |
prescriptio |
    ns, are |
warnings of |      Freq.     Percent        Cum.
------------+-----------------------------------
         -8 |        240        2.40        2.40
         -7 |      1,670       16.70       19.10
          1 |      7,732       77.32       96.42
          2 |        341        3.41       99.83
          4 |         17        0.17      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 25 Oct 2017