Summary statistics for countytx1997 dataset : by Jean Roth , jroth@nber.org , 23 Jun 2017 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- fipscounty | 0 statefips | 0 countyfips | 0 countyname | 0 n1 | 255 57147.77 466501.5 36 7286341 -------------+--------------------------------------------------------- n2 | 255 130785.1 1066206 75 1.67e+07 a00100 | 255 2222753 1.82e+07 1149 2.83e+08 a00200 | 255 1738731 1.43e+07 578 2.22e+08 a00600 | 255 36793.83 303408.1 -1 4691214 interest | 255 78267.74 638679.7 31 9979138 by Jean Roth , jroth@nber.org , 23 Jun 2017