Frequencies for first 10,000 rows of occp_cod variable in demo2007q2 dataset : Abbreviatio | n for the | reporter's | type of | occupation | in the | latest | version of | a ca | Freq. Percent Cum. ------------+----------------------------------- | 1,255 12.55 12.55 CN | 2,091 20.91 33.46 LW | 460 4.60 38.06 MD | 3,656 36.56 74.62 OT | 1,813 18.13 92.75 PH | 725 7.25 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Dec 2015