View source: R/scale_objectives.R
scale_objectives | R Documentation |
Performs scaling of the objective function values for the MOEADr package
scale_objectives(Y, Yt, scaling, eps = 1e-16, ...)
Y |
matrix of objective function values for the incumbent solutions |
Yt |
matrix of objective function values for the candidate solutions |
scaling |
list containing the scaling parameters (see |
eps |
tolerance value for avoiding divisions by zero. |
... |
other parameters (included for compatibility with generic call) |
This routine scales the matrices of objective function values for the
current (Yt
) and candidate (Y
) solutions. The
following methods are currently available:
scaling$name = "none"
: no scaling
scaling$name = "simple"
: simple linear scaling between
estimated ideal and nadir points, calculated from the available points in
Y
and Yt
at each iteration.
List object containing scaled objective function value matrices
Y
and Yt
, as well as estimates of the "ideal" point minP`` and "nadir" point
maxP'.
F. Campelo, L.S. Batista, C. Aranha (2020): The MOEADr Package: A
Component-Based Framework for Multiobjective Evolutionary Algorithms Based on
Decomposition. Journal of Statistical Software doi: 10.18637/jss.v092.i06
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