combine_weights_and_criteria: Add weights from a data frame to criteria tree and update...
In Matherion/mdmcda: Multi Decision Multi Criteria Decision Analysis

Add weights from a data frame to criteria tree and update data frame.

combine_weights_and_criteria(
  weightsMeansAndSDs,
  criteria,
  weightCols,
  rootWeight = 1,
  rootParentCriterion_id = "-"
)

`weightsMeansAndSDs`	The data frame with the weights; should have a column 'criterion_id' and one or more columns with weights.
`criteria`	The 'criteria' object.
`weightCols`	A named character vector, where each value is a column with weights in ‘weightsMeansAndSDs', and each element’s name is the name that weight should get in the 'criteria$criteriaTree' and in the 'weightsMeansAndSDs' that is returned after acculumation over the tree.
`rootWeight`	The weight for the tree root.
`rootParentCriterion_id`	The identifier for the tree root.