The direct and inverse projections (DIP) method was proposed to reduce the feature
space to the given dimensions oriented to the problems of randomized machine learning and
based on the procedure of “direct” and “inverse” design. The “projector” matrices are determined
by maximizing the relative entropy. It is suggested to estimate the information losses by
the absolute error calculated with the use of the Kullback–Leibler function (SRC method). An
example illustrating these methods was given.