Simulated Data from Shipley (2009)

shipley

## Format

A data frame with 1900 observations and 9 variables:

site

a numeric code giving the site from which the observation comes

tree

a numeric code giving the tree from which the observation comes

lat

the latitude of the site

year

the year in which the observation was taken

Date

the Julian date when the bud burst occurs

DD

the number of degree days when bud burst occurs

Growth

the increase in diameter growth of the tree

Survival

the probability of survival until the next year (used only for the simulation)

Live

a binary value (1 = tree lived the following winter, 0 = tree died the following winter)

doi: 10/c886

## References

Shipley, B. (2009). Confirmatory path analysis in a generalized multilevel context. Ecology, 90(2), 363-368. doi: 10/bqd43d