Frequencies for first 10,000 rows of state_region variable in pos1988 dataset : State-Regio | n M3 | Alpha-Numer | ic (like | PROV2710 ?) | Freq. Percent Cum. ------------+----------------------------------- | 5,023 50.23 50.23 000 | 15 0.15 50.38 001 | 1 0.01 50.39 005 | 1 0.01 50.40 006 | 3 0.03 50.43 01 | 1 0.01 50.44 04 | 1 0.01 50.45 06 | 3 0.03 50.48 09 | 21 0.21 50.69 0AZ | 1 0.01 50.70 0SA | 1 0.01 50.71 1 | 1 0.01 50.72 10 | 22 0.22 50.94 150 | 1 0.01 50.95 160 | 1 0.01 50.96 2 | 1 0.01 50.97 20 | 2 0.02 50.99 3 | 4 0.04 51.03 4 | 2 0.02 51.05 508 | 1 0.01 51.06 6 | 1 0.01 51.07 9 | 1 0.01 51.08 A1 | 4 0.04 51.12 A2 | 9 0.09 51.21 AL | 1 0.01 51.22 ALA | 1 0.01 51.23 AR | 4 0.04 51.27 AZ | 353 3.53 54.80 B1 | 2 0.02 54.82 B2 | 5 0.05 54.87 BK | 272 2.72 57.59 BK1 | 1 0.01 57.60 BL | 1 0.01 57.61 C1 | 13 0.13 57.74 CA | 3 0.03 57.77 D1 | 10 0.10 57.87 D2 | 8 0.08 57.95 E1 | 7 0.07 58.02 FR | 255 2.55 60.57 FR8 | 1 0.01 60.58 G | 4 0.04 60.62 II | 1 0.01 60.63 III | 1 0.01 60.64 IV | 3 0.03 60.67 L1 | 321 3.21 63.88 L2 | 286 2.86 66.74 L22 | 1 0.01 66.75 L3 | 28 0.28 67.03 L33 | 1 0.01 67.04 L4 | 326 3.26 70.30 L5 | 297 2.97 73.27 M1 | 494 4.94 78.21 M2 | 373 3.73 81.94 M20 | 1 0.01 81.95 N1 | 8 0.08 82.03 S1 | 269 2.69 84.72 S2 | 24 0.24 84.96 S3 | 102 1.02 85.98 SA | 463 4.63 90.61 SA1 | 2 0.02 90.63 SB | 111 1.11 91.74 SD | 269 2.69 94.43 SF | 158 1.58 96.01 SFQ | 1 0.01 96.02 SG | 1 0.01 96.03 SJ | 233 2.33 98.36 SR | 162 1.62 99.98 SRR | 1 0.01 99.99 TAM | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016