Frequencies for first 10,000 rows of ip_syph variable in linkpe2013usnum datase

 Syphilis R |
 (f_ip_syph |
  rep flag) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      1,684       16.84       16.84
          N |      8,134       81.34       98.18
          U |        176        1.76       99.94
          Y |          6        0.06      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 18 Jul 2017