Computer Science · Genetic Algorithms
Consider a minimization problem where the fitness value represents cost (lower is better). When using Roulette Wheel Selection, how must the raw fitness values be transformed before calculating selection probability?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The fitness values must be normalized to a range between 0 and 1
- 2The fitness values must be raised to the power of 2 (squared)
- 3The fitness values must be inverted or scaled so that lower cost maps to a higher transformed fitness✓
- 4The fitness values must be strictly integers, not floating-point numbers
Correct answer
The fitness values must be inverted or scaled so that lower cost maps to a higher transformed fitness
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