Does R have packages for such multi-objectives optimization problems ?
The rgenoud (R-GENetic Optimization Using Derivatives) package
allows for multiple object optimization problems. See the lexical
option which searches for the Pareto front. The package is written
for NP-hard problems (but
Regarding multi-object optimization, I just got 0 hits from
RSiteSearch(multi-objective optimization) and
RSiteSearch(multiobjective optimization). However, it shouldn't be
too difficult to write a wrapper function to blend other functions
however you would like, then use optim or
Le Wed, 01 Mar 2006 13:07:07 -0800, Berton Gunter a écrit :
2) That the mean and sd can be simultaneously optimized as you describe--
what if the subset with maximum mean also has bigger than minimal sd?
Then you have two choices :
1) balance the two objectives with weights, according to the
PROTECTED] On Behalf Of Mark
Sent: Wednesday, March 01, 2006 12:40 PM
To: r-help@stat.math.ethz.ch
Subject: [R] Optimization problem: selecting independent rows
to maximizethe mean
Dear R community,
I have a dataframe with 500,000 rows and 102 columns. The rows
represent spatial polygons
