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  "Description": "Implements the Kidney Failure Risk Equation (KFRE; Tangri\nand colleagues (2011) <doi:10.1001/jama.2011.451>; Tangri and\ncolleagues (2016) <doi:10.1001/jama.2015.18202>) to compute 2-\nand 5-year kidney failure risk using 4-, 6-, and 8-variable\nmodels. Includes helpers to append risk columns to data frames,\nclassify chronic kidney disease (CKD) stages and end-stage\nrenal disease (ESRD) outcomes, and evaluate and plot model\nperformance.",
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        "kfre"
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