Frequencies for first 10,000 rows of lab_temp_tstg_site_sw variable in posclia2018 dataset :

   Multiple |
       Site |
 Exception: |
  Temporary |
  Testing S |      Freq.     Percent        Cum.
------------+-----------------------------------
          N |      9,889       98.89       98.89
          Y |        111        1.11      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 15 Feb 2019