Orange tree circumference

Description

Trunk circumferences (mm) of each of 5 trees recorded at 7 times; all trees were measured at the same time. Age of tree (in days since 31 December 1968) when measured and the corresponding season (spring or autumn) were also recorded.

Usage

orange

Format

A data frame with 4 columns and 35 rows:

• Tree: Tree ID, factor with 5 levels

• x: Age of tree

• circ: Trunk circumference (mm)

• Season: Season, factor with 2 levels (Spring and Autumn)