string or a vector of strings indicating the variables making up
the first subcomposition of the ternary system. If omitted, the first
component of X is used instead.
y
second (set of) variables
z
third (set of) variables
Value
an object of class ternary, i.e. a
list containing:
x: a three column matrix (or vector) of ternary compositions.
and (if X is of class SRDcorrected)
restoration: a list of intermediate ternary compositions inherited
from the SRD correction