Frequencies for legampbrat variable in pccounty2013 dataset : Leg | amputations | per 1,000 | Medicare | enrollees | Black Rate | Freq. Percent Cum. ------------+----------------------------------- -3.575 | 1 0.03 0.03 -3.405 | 1 0.03 0.06 -3.341 | 1 0.03 0.10 -3.147 | 1 0.03 0.13 -3.025 | 1 0.03 0.16 -2.86 | 1 0.03 0.19 -2.855 | 1 0.03 0.22 -2.764 | 1 0.03 0.25 -2.762 | 1 0.03 0.29 -2.692 | 1 0.03 0.32 -2.49 | 1 0.03 0.35 -2.326 | 1 0.03 0.38 -2.266 | 1 0.03 0.41 -2.211 | 1 0.03 0.45 -2.186 | 1 0.03 0.48 -2.171 | 1 0.03 0.51 -2.154 | 1 0.03 0.54 -2.136 | 1 0.03 0.57 -2.098 | 1 0.03 0.60 -2.036 | 1 0.03 0.64 -1.963 | 1 0.03 0.67 -1.94 | 1 0.03 0.70 -1.842 | 1 0.03 0.73 -1.83 | 1 0.03 0.76 -1.809 | 1 0.03 0.80 -1.798 | 1 0.03 0.83 -1.792 | 1 0.03 0.86 -1.771 | 1 0.03 0.89 -1.714 | 1 0.03 0.92 -1.62 | 1 0.03 0.96 -1.573 | 1 0.03 0.99 -1.564 | 1 0.03 1.02 -1.521 | 1 0.03 1.05 .951 | 1 0.03 1.08 1.23 | 1 0.03 1.11 1.29 | 1 0.03 1.15 1.299 | 1 0.03 1.18 1.351 | 1 0.03 1.21 1.389 | 1 0.03 1.24 1.397 | 1 0.03 1.27 1.405 | 1 0.03 1.31 1.453 | 1 0.03 1.34 1.535 | 1 0.03 1.37 1.602 | 1 0.03 1.40 1.603 | 1 0.03 1.43 1.651 | 1 0.03 1.46 1.695 | 1 0.03 1.50 1.761 | 1 0.03 1.53 2.032 | 1 0.03 1.56 2.137 | 1 0.03 1.59 2.143 | 1 0.03 1.62 2.209 | 1 0.03 1.66 2.267 | 1 0.03 1.69 2.274 | 1 0.03 1.72 2.381 | 1 0.03 1.75 2.384 | 1 0.03 1.78 3.253 | 1 0.03 1.81 . | 3,084 98.19 100.00 ------------+----------------------------------- Total | 3,141 100.00 by Jean Roth , jroth@nber.org , 14 Mar 2018