 mixture data on a number of tracers
and food source means and standard deviations. Any correction factors
included in this object will be ignored. The known dietary proportions should be provided for each individual (i.e. should be a matrix with the same number of rows as <code>mix</code>). It is advisable to have multiple different dietary proportion values as part of the feeding experimental design</p>
<p>The output of the function is a posterior distribution on the correction
factors for each food sourc