load_discr_data {MixSIAR}

Load trophic discrimination factor (TDF) data

Description

load_discr_data loads the trophic discrimination factor (TDF) data. TDF is the amount that a consumer's tissue biotracer values are modified (enriched/depleted) after consuming a source. If tracers are conservative, then set TDF = 0 (ex. essential fatty acids, fatty acid profile data, element concentrations).

Usage

load_discr_data(filename, mix)

Arguments

filename

csv file with the discrimination data

mix

output from load_mix_data

Value

discr, a list including:

• discr$mu, matrix of discrimination means

• discr$sig2, matrix of discrimination variances