Estimation of median growth curves for children up two years old based on biresponse local linear estimator

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Abstract

There is significant of the coeficient correlation between weight and height of the children. Therefore, the simultaneous model estimation is better than partial single response approach. In this study we investigate the pattern of sex difference in growth curve of children from birth up to two years of age in Surabaya, Indonesia based on biresponse model. The data was collected in a longitudinal representative sample of the Surabaya population of healthy children that consists of two response variables i.e. weight (kg) and height (cm). While a predictor variable is age (month). Based on generalized cross validation criterion, the modeling result based on biresponse model by using local linear estimator for boy and girl growth curve gives optimal bandwidth i.e 1.41 and 1.56 and the determination coefficient (R2) i.e. 99.99% and 99.98%,respectively. Both boy and girl curves satisfy the goodness of fit criterion i.e.the determination coefficient tends to one. Also, there is difference pattern of growth curve between boy and girl. The boy median growth curves is higher than those of girl curve.

Original languageEnglish
Title of host publication5th International Conference and Workshop on Basic and Applied Sciences, ICOWOBAS 2015
EditorsMoh. Yasin, Sulaiman W. Harun
PublisherAmerican Institute of Physics Inc.
ISBN (Electronic)9780735413641
DOIs
Publication statusPublished - 15 Mar 2016
Event5th International Conference and Workshop on Basic and Applied Sciences, ICOWOBAS 2015 - Surabaya, Indonesia
Duration: 16 Oct 201517 Oct 2015

Publication series

NameAIP Conference Proceedings
Volume1718
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

Conference5th International Conference and Workshop on Basic and Applied Sciences, ICOWOBAS 2015
Country/TerritoryIndonesia
CitySurabaya
Period16/10/1517/10/15

Keywords

  • Median Growth Curves
  • biresponse model.
  • boy and girl
  • local linear estimator

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