PostgreSQL Documentation: geqo_selection

Type:	`real`
Default:	`2`
Min:	`1.5`
Max:	`2`
Context:	`user`
Restart:	`false`

GEQO: selective pressure within the population

Controls the selection bias used by GEQO. The selection bias is the selective pressure within the population. Values can be from 1.50 to 2.00; the latter is the default.

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geqo_selection_bias

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