stremo (version 0.2)

grace: Data and tentative model syntax for the paper by Grace et al. 2010.

Description

Grace et al. 2010 describe the use of structural equation meta-models to aid the translation of theory into structural equation models. They use an example where they relate plant diversity and community biomass to variations in environmental stress and disturbance.

Usage

data(grace)
grace.cov
grace.model

Format

A covariance matrix and a character vector describing the model syntax.

Source

http://www.esajournals.org/doi/full/10.1890/09-0464.1

References

Grace JB, Anderson TM, Olff H, and Scheiner SM. 2010. On the specification of structural equation models for ecological systems. Ecological Monographs 80: 67-87.

Examples

## Not run: 
# data(grace)
# cat(grace.model)
# grace.fit <- sem(grace.model, sample.cov =
#                  grace.cov,
#                  sample.nobs = 190)
# ## End(Not run)