Frequencies for first 10,000 rows of cycles variable in vindecode dataset : (cycle | count) | refers to | the cycle | or stroke | of an | engine. | 2-strokes | are | lightwei | Freq. Percent Cum. ------------+----------------------------------- | 9,005 90.05 90.05 2 | 14 0.14 90.19 4 | 981 9.81 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Oct 2016