Frequencies for first 10,000 rows of f_uop_stimul variable in linkpe2009psden dataset : Stimulation | of Labor U | Freq. Percent Cum. ------------+----------------------------------- . | 10,000 100.00 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Dec 2015