Gets the number of niches defined in the world

Description

Gets the number of niches defined in the world.

Usage

## S3 method for class 'World':
length(x, ...)

Value

A numeric value representing the number of niches in the world.

Author(s)

Victor Trevino. Francesco Falciani Group. University of Birmingham, U.K. http://www.bip.bham.ac.uk/bioinf

References

Goldberg, David E. 1989 Genetic Algorithms in Search, Optimization and Machine Learning. Addison-Wesley Pub. Co. ISBN: 0201157675

See Also

For more information see World. *length.Niche().

Examples

  cr <- Chromosome(genes=newCollection(Gene(shape1=1, shape2=1000),5))
  ni <- Niche(chromosomes=newRandomCollection(cr, 10))
  wo <- World(niches=newRandomCollection(ni,2))
  wo
  length(wo)