infantGrowth: Tibia Length for One Baby

In fda: Functional Data Analysis

Description

Measurement of the length of the tibia for the first 40 days of life for one infant.

Usage

data(infantGrowth)

Format

A matrix with three columns:

• dayage in days

• tibiaLength The average of five measurements of tibia length in millimeters

• sd.length The standard deviation of five measurements of tibia length in millimeters

Source

Hermanussen, M., Thiel, C., von Bueren, E., de los Angeles Rol. de Lama, M., Perez Romero, A., Ariznavarreta Ruiz, C., Burmeister, J., Tresguerras, J. A. F. (1998) Micro and macro perspectives in auxology: Findings and considerations upon the variability of short term and individual growth and the stability of population derived parameters, Annals of Human Biology, 25: 359-395.

References

Ramsay, James O., and Silverman, Bernard W. (2006), Functional Data Analysis, 2nd ed., Springer, New York.

Examples

data(infantGrowth)
plot(tibiaLength~day, infantGrowth)

Example output

Loading required package: splines
Loading required package: Matrix

Attaching package: 'fda'

The following object is masked from 'package:graphics':

    matplot

fda documentation built on May 2, 2019, 5:12 p.m.