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Copy array so we aren't using the same old ref

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Jacob Windle 2019-08-19 05:10:45 -04:00
parent 70de0e7ac8
commit 1e33fcb9cd
1 changed files with 4 additions and 5 deletions
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9
Experiment.jl
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@ -39,7 +39,6 @@ function fitness(candidate::DataFrames.DataFrame)
abs(TARGETCALORIES - sum(+, candidate[:Calories])) abs(TARGETCALORIES - sum(+, candidate[:Calories]))
end end
function randRow() function randRow()
# Generate a random row index # Generate a random row index
abs(rand(Int) % size(df, 1)) + 1 abs(rand(Int) % size(df, 1)) + 1
@ -80,18 +79,18 @@ function main()
println("Sorting by fitness") println("Sorting by fitness")
sort!(pop, by = x -> fitness(x)) sort!(pop, by = x -> fitness(x))
parents = pop[1:mu] parents = pop[1:mu]
pop = parents pop = deepcopy(parents)
println("Breeding new generation") println("Breeding new generation")
print("Parents $parents") print("Parents $parents")
for p in parents for p in parents
for i = 1:4 for i = 1:(lambda/mu)
print("breed") println("breed")
push!(pop, mutate(p)) push!(pop, mutate(p))
end end
end end
print("Generation $generationNum, best $best, fitness $bestFitness") println("Generation $generationNum, best $best, fitness $bestFitness")
generationNum += 1 generationNum += 1
end end