Fitting FPCA-based growth curve model • growthfd

Fitting of FPCA-based growth curve model using Levenberg-Marquardt optimization.

Installation

# Install devtools from CRAN
install.packages("devtools")
library("devtools")

# Install growthfd from GitHub:
install_github("ondrej-klima/growthfd")

Usage

The package is suitable for estimation of growth milestones from sparse stature measurements.

Individual differences by maturation age — Estimation of age at peak height velocity (PHV), comparison of growthfd (FPCA) vs. Sitar method.

Acknowledgements

The software growthfd was developed with state budget funding provided by the Technology Agency of the Czech Republic within the Eta Programme.