Frequencies for first 10,000 rows of ADMSN_SUSPNSN_PRIOR_DT variable in pos2011 dataset :

  Admission |
 Suspension |
 Prior Date |      Freq.     Percent        Cum.
------------+-----------------------------------
          . |     10,000      100.00      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 19 Apr 2019