Frequencies for rx_ce_lti_rxhcc147 variable in rxcoeff dataset :

Rx_CE_LTI_R |
 XHCC147 -- |
   Moderate |
Intellectua |
          l |
Disability/ |
Development |
al Disorder |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |          1      100.00      100.00
------------+-----------------------------------
      Total |          1      100.00

by Jean Roth , jroth@nber.org , 7 Feb 2019