Spruce: Spruce data

In resampledata3: Data Sets for "Mathematical Statistics with Resampling and R" (3rd Ed)

Spruce data

Description

Measurements from an experiment on the growth of black spruce seedlings.

Usage

Spruce

Format

A data frame with 72 observations on the following 9 variables.

Tree

Subject ID

Competition

Treatment: C (competition), NC (no competition)

Fertilizer

Treatment: F (fertilizer), NF (no fertilizer)

Height0

Height of seedling at start

Height5

Height of seedling after 5 years

Diameter0

Diameter of seedling at start

Diameter5

Diameter of seedling after 5 years

Ht.change

Change in height

Di.change

Change in diameter

Details

Experiment on growth of black spruce seedlings under treatments of fertilizer-no fertilizer, competition- no competition (weeding).

Source

Camill, Chihara, Adams, et al (2010). Early life history transitions and recruitment of Picea mariana in thawed boreal permafrost peatlands. Ecology 2:448-459.

resampledata3 documentation built on Sept. 2, 2022, 9:06 a.m.