Frequencies for notratedreason_planefficiencyaff variable in quality2017 dataset :

  Not Rated |
Reason Plan |
 Efficiency |
Affordabili |
         ty |
 Management |
     Rating |
Description |      Freq.     Percent        Cum.
------------+-----------------------------------
            |        429       51.69       51.69
  Not Rated |        401       48.31      100.00
------------+-----------------------------------
      Total |        830      100.00

by Jean Roth , jroth@nber.org , 28 Jun 2017