Frequencies for first 10,000 rows of occp_cod variable in demo2004q4 dataset : Abbreviatio | n for the | reporter's | type of | occupation | in the | latest | version of | a ca | Freq. Percent Cum. ------------+----------------------------------- | 1,717 17.17 17.17 CN | 2,469 24.69 41.86 LW | 179 1.79 43.65 MD | 3,296 32.96 76.61 OT | 1,483 14.83 91.44 PH | 856 8.56 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Dec 2015