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# eoSelectFromWorth< EOT, WorthType > Class Template Reference

selects one element from a population (is an eoSelectOne) but the selection is based on a std::vector of Worth that is different from the fitnesses (e.g. More...

`#include <eoSelectFromWorth.h>`

Inheritance diagram for eoSelectFromWorth< EOT, WorthType >:

List of all members.

## Public Member Functions
| eoSelectFromWorth (eoPerf2Worth< EOT, WorthType > &_perf2Worth)
virtual void | setup (const eoPop< EOT > &pop)
| virtual function to setup some population stats (for instance eoProportional can benefit greatly from this)
## Protected Member Functions
void | check_sync (unsigned index, const EOT &_eo)
## Protected Attributes
eoPerf2Worth< EOT, WorthType > & | perf2Worth
std::vector< typename EOT::Fitness > | fitness

## Detailed Description

### template<class EOT, class WorthType = double>
class eoSelectFromWorth< EOT, WorthType >

selects one element from a population (is an eoSelectOne) but the selection is based on a std::vector of Worth that is different from the fitnesses (e.g.

EO fitness is what Koza terms "raw fitness", Worth is what the selection is based upon).

see class eoPerf2Worth: an eoStat that transforms fitnesses into Worthes

Note: Worthes will not always be doubles - see some multi-objective techniques where it is a std::pair of doubles ...

It has to have a < operator it you want to call an existing selector (see selector.h) - but of course you can write the whole thing ...

Definition at line 51 of file eoSelectFromWorth.h.

The documentation for this class was generated from the following file:

- eoSelectFromWorth.h