A fake box data set identified by Fry (2014) as a failing of SIMMs See the link for more interpretation of these data and the output

square_data

Format

A list with the following elements

mixtures

A two column matrix containing delta 13C and delta 15N values respectively

source_names

A character vector of the food source names

tracer_names

A character vector of the tracer names (d13C, d15N)

source_means

A matrix of source mean values for the tracers in the same order as mixtures above

source_sds

A matrix of source sd values for the tracers in the same order as mixtures above

correction_means

A matrix of TEFs mean values for the tracers in the same order as mixtures above

correction_sds

A matrix of TEFs sd values for the tracers in the same order as mixtures above

concentration_means

A matrix of concentration dependence mean values for the tracers in the same order as mixtures above

Source

<doi:10.3354/meps10535>