Frequencies for first 10,000 rows of hou_helevtr variable in mcbsatc2013 datase Residence | has an | elevator | Freq. Percent Cum. ------------+----------------------------------- -8 | 4 0.04 0.04 -7 | 1 0.01 0.05 1 | 578 5.78 5.83 2 | 4,202 42.02 47.85 . | 5,215 52.15 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 24 May 2016