Summary statistics for zipcode2005 dataset : by Jean Roth , jroth@nber.org , 20 Jun 2017 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- state | 0 zipcode | 231,006 49915.3 27698.9 1001 99950 agi_class | 231,006 3.5 1.707829 1 6 n1 | 231,006 565.1859 1054.946 0 52892 n2 | 231,006 1170.825 2226.674 0 53164 -------------+--------------------------------------------------------- n6 | 231,006 383.6288 861.3699 0 21404 a00100 | 231,006 31090.15 122970.3 -440764 1.79e+07 n00200 | 231,006 479.3109 905.5064 0 17174 a00200 | 231,006 21731.62 68716.62 0 7721959 n00300 | 231,006 252.1603 494.6496 0 41006 -------------+--------------------------------------------------------- a00300 | 231,006 636.1608 4532.899 0 1056415 n00600 | 231,006 131.7423 298.8316 0 16906 a00600 | 231,006 640.7009 5845.234 0 1052272 n01000 | 231,006 109.996 262.8586 0 16312 a01000 | 231,006 2418.929 28432.72 -1298 5477709 -------------+--------------------------------------------------------- n00900 | 231,006 87.54635 172.3314 0 6254 a00900 | 231,006 1114.349 4611.795 -10345 442041 n02100 | 231,006 7.770872 16.08398 0 473 a02100 | 231,006 -35.6852 184.6828 -9227 10164 n03150 | 231,006 13.38458 30.31748 0 795 -------------+--------------------------------------------------------- a03150 | 231,006 48.59652 120.7636 0 3975 n03300 | 231,006 4.65171 26.72169 0 2282 a03300 | 231,006 80.65831 699.9599 0 77401 n21060 | 231,006 202.7746 484.3521 0 20697 a21060 | 231,006 4693.754 19650.16 0 3349682 -------------+--------------------------------------------------------- n19700 | 231,006 175.7201 439.5288 0 19560 a19700 | 231,006 719.8434 4171.631 0 754567 n18300 | 231,006 202.8765 481.5508 0 20688 a18300 | 231,006 1705.168 10719.48 0 2352535 n09600 | 231,006 16.63908 127.7022 0 12396 -------------+--------------------------------------------------------- a09600 | 231,006 69.68882 859.6715 0 196438 n05800 | 231,006 440.7657 879.2019 0 21189 a05800 | 231,006 4135.674 25913.64 0 4281435 n09200 | 231,006 420.6786 798.771 0 21199 a09200 | 231,006 4133.083 26157.85 0 4319003 -------------+--------------------------------------------------------- n11000 | 231,006 94.08081 309.49 0 11061 a11000 | 231,006 176.8399 739.2119 0 34716 prep | 231,006 344.7879 666.0193 0 52226 agi_04470 | 0 agi_19700 | 0 -------------+--------------------------------------------------------- agi_18300 | 0 by Jean Roth , jroth@nber.org , 20 Jun 2017