Table 2 Selection of Optimum Degrees of Freedom and Optimum Model (Family and Smoothing Method) for each of the Four Curves using RefCurve_0.4.2 Software
Weight for age | Height for age | ||||
|---|---|---|---|---|---|
Male | Female | Male | Female | ||
Optimal Degrees of freedom for L, M & S | |||||
Parameters (Test range) | L (0–3) | 0 | 0 | 0 | 1 |
M (0–3) | 1 | 1 | 1 | 1 | |
S (0–3) | 0 | 0 | 0 | 1 | |
BIC | 5059.28 | 4972.354 | 10420.34 | 10555.5 | |
Family | Smoothing | Bayesian Information Criteria (BIC) | |||
BCCG | ps | 5059.928 | 4972.354 | 10420.34 | 10555.5 |
cs | 5059.999 | 4972.414 | 10420.43 | 10555.63 | |
poly | NA | NA | NA | 10584.31 | |
BCPE | ps | 5053.671 | 4936.895 | 10296.73 | 10404.86 |
cs | 5053.767 | 4936.966 | 10296.86 | 10405.01 | |
poly | NA | NA | NA | 10441.63 | |
BCT | ps | 5058.059 | 4945.884 | 10314.07 | 10431.31 |
cs | 5058.145 | 4945.958 | 10314.22 | 10431.49 | |
poly | NA | NA | NA | 10461.1 | |
Value of\(\varvec{\tau }\)for selected models | BCPE-ps | 1.660418 | 1.448022 | 1.188859 | 1.114607 |