I assume this has a "proper" name, but I don't know what it is and wondered
if anyone knew of a package that might do the following, or something
similar.

As an example, assume I have borrowed and read 10 books on R , and  I have
subjectively given each of them a "value" score in terms of how useful I
think they are. I also know how much each costs in terms of money.

What I would like to do is to calculate the costs of every possible
combination of the 10 books, and plot the total monetary value for each of
these possible combination  with their associated subjective value totals,
to help decide which combination of books represents the best value for
money.

I know that some specialist decision analysis software does this sort of
thing, but was hoping R might have an appropriate package.

Many thanks,

Graham

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