Frequencies for legampwuci variable in pccounty2013 dataset : Leg | amputations | per 1,000 | Medicare | enrollees | White Upper | confidence | limit | Freq. Percent Cum. ------------+----------------------------------- -2.019 | 1 0.03 0.03 -1.631 | 1 0.03 0.06 -1.443 | 1 0.03 0.10 -1.289 | 1 0.03 0.13 -1.248 | 1 0.03 0.16 -1.233 | 1 0.03 0.19 -1.202 | 1 0.03 0.22 -1.19 | 1 0.03 0.25 -1.149 | 1 0.03 0.29 -1.061 | 1 0.03 0.32 -1.02 | 1 0.03 0.35 -.911 | 1 0.03 0.38 -.873 | 1 0.03 0.41 -.866 | 1 0.03 0.45 -.781 | 1 0.03 0.48 -.755 | 1 0.03 0.51 -.735 | 1 0.03 0.54 -.64 | 1 0.03 0.57 -.611 | 1 0.03 0.60 -.606 | 1 0.03 0.64 -.525 | 1 0.03 0.67 .313 | 1 0.03 0.70 .341 | 1 0.03 0.73 .372 | 1 0.03 0.76 .485 | 1 0.03 0.80 .49 | 1 0.03 0.83 .495 | 1 0.03 0.86 .512 | 1 0.03 0.89 .519 | 1 0.03 0.92 .523 | 2 0.06 0.99 .528 | 1 0.03 1.02 .53 | 1 0.03 1.05 .542 | 1 0.03 1.08 .548 | 1 0.03 1.11 .57 | 1 0.03 1.15 .585 | 1 0.03 1.18 .596 | 1 0.03 1.21 .604 | 1 0.03 1.24 .606 | 1 0.03 1.27 .608 | 1 0.03 1.31 .616 | 1 0.03 1.34 .638 | 1 0.03 1.37 .66 | 1 0.03 1.40 .671 | 1 0.03 1.43 .68 | 1 0.03 1.46 .682 | 1 0.03 1.50 .684 | 1 0.03 1.53 .691 | 1 0.03 1.56 .692 | 1 0.03 1.59 .696 | 1 0.03 1.62 .734 | 1 0.03 1.66 .737 | 1 0.03 1.69 .751 | 1 0.03 1.72 .894 | 2 0.06 1.78 . | 3,085 98.22 100.00 ------------+----------------------------------- Total | 3,141 100.00 by Jean Roth , jroth@nber.org , 14 Mar 2018