Frequencies for first 10,000 rows of class variable in morg86 dataset : Class of worker | Freq. Percent Cum. ---------------------------------------+----------------------------------- Private, Non-Profit or For Profit | 5,573 55.73 55.73 Government - Federal | 178 1.78 57.51 Government - State | 204 2.04 59.55 Government - Local | 636 6.36 65.91 Self-Employed, Incorporated | 186 1.86 67.77 Self-Employed, Unincorporated | 548 5.48 73.25 Without Pay | 42 0.42 73.67 Never worked or never worked full-time | 59 0.59 74.26 . | 2,574 25.74 100.00 ---------------------------------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 15 Mar 2017