shipley {piecewiseSEM}

Data set from Shipley (2006)

Description

Data set from Shipley (2006)

Usage

shipley

Format

A data.frame with 1900 observations of 9 variables.

site

Site of observation

tree

Individual tree of observation

lat

Latitude

year

Year of observation

Date

Julian date of first bud burst

DD

Cumulative degree days until first bud burst

Growth

Increase in stem diameter

Survival

Proportional survival

Live

Alive (1) or dead (0)