Frequencies for first 10,000 rows of carbbrls variable in vindecode dataset : the number | of barrels | on a | carbureted | engine. | Freq. Percent Cum. ------------+----------------------------------- | 2,788 27.88 27.88 2 | 26 0.26 28.14 4 | 15 0.15 28.29 NA | 7,171 71.71 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Oct 2016