Frequencies for first 10,000 rows of security variable in vindecode dataset : (security | type) | describes | the | security | system (if | any) | installed | on this | model. | Freq. Percent Cum. ------------+----------------------------------- | 2,831 28.31 28.31 A | 2 0.02 28.33 B | 814 8.14 36.47 C | 138 1.38 37.85 D | 426 4.26 42.11 E | 334 3.34 45.45 F | 588 5.88 51.33 G | 248 2.48 53.81 H | 35 0.35 54.16 I | 110 1.10 55.26 J | 62 0.62 55.88 K | 173 1.73 57.61 N | 780 7.80 65.41 O | 16 0.16 65.57 P | 1,325 13.25 78.82 S | 80 0.80 79.62 T | 812 8.12 87.74 U | 1,226 12.26 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Oct 2016