Frequencies for first 10,000 rows of prov1885 variable in pos1994 dataset :

        110 |
bacteriolog |
          y |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,798       87.98       87.98
          N |        639        6.39       94.37
          Y |        563        5.63      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 May 2017