The discriminant analysis applied to the differentiation of soil types

It is frequently important in agroeconomics, on examing form example in plant breeding the problem might be to decide whether a plant or plant progeny belons to a high-yealding or low-yealding grop up. Sometimes decisions can be made on the basic of a single varialble, but more often of the 2 group differ in several variables, each of which gives some indication as to group in which the individual should be placed. This is a clasical problem of discrimination, where the general problem is to fnd a disrimination function.