hoop {lmreg}

Hoop tree data

Description

Compressive strength and moisture content of wood in hoop trees (Williams, 1959).

Usage

data(hoop)

Format

A data frame with 50 observations on the following 4 variables.

Temp

Temperature (in Celsius)

Tree

Hoop tree number

Strength

Maximum compressive strength parallel to the grain (in MPa)

Moisture

Moisture content (100 times water mass/dry wood mass)

Source

Williams, E.J. (1959) Regression Analysis, Wiley, New York.

Examples

data(hoop)
head(hoop)