Smoothing percentiles in R with an application to achondroplasia


Back to Annual Meeting Page		American Public Health Association 133rd Annual Meeting & Exposition December 10-14, 2005 Philadelphia, PA

5193.1: Wednesday, December 14, 2005 - 2:30 PM

Abstract #122174

John McGready, MA¹, J.E. Hoover-Fong², K.J. Schulze³, H. Barnes², and C.I. Scott⁴. (1) Department of Biostatistics, Johns Hopkins University, Bloomberg School of Public Health, 615 N. Wolfe St., Baltimore, MD 21205, 410-955-5000, jmcgread@jhsph.edu, (2) Greenberg Center for Skeletal Dysplasias, McKusick-Nathans Institute of Genetic Medicine, 99999, Baltimore, MD 20000, (3) Johns Hopkins Bloomberg School of Public Health, 615 N. Wolfe St., Baltimore, MD 21205, (4) AI DuPont Hospital for Children, 99999, Wilmington, DE 00000

Learning Objectives:

The attender will be able to

a) describe the computational challenges in smoothing percentiles in R
b) explain the mechanics of how to do this, with emphasis on pesky but critical details like correct usage of array indices

Keywords: Statistics,

Presenting author's disclosure statement:

I wish to disclose that I have NO financial interests or other relationship with the manufactures of commercial products, suppliers of commercial services or commercial supporters.

Statistical Software and Science

The 133rd Annual Meeting & Exposition (December 10-14, 2005) of APHA