Array Shuffle Comparison
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ABCDEFGHIJKLMN
1
PermutationIdealFisher-YatesDelta% DeltaNaïveDelta% DeltaTerribleDelta%DeltaColor Key (Delta)Color Key (% Delta)
2
[1, 2, 3, 4] 4.17%4.16%-0.01%-0.16%3.92%-0.25%-5.92%5.86%1.69%40.64%± 0 - 0.08%± 0 - 2%
3
[1, 2, 4, 3] 4.17%4.16%-0.01%-0.16%3.89%-0.28%-6.64%5.89%1.72%41.36%± 0.08 - 0.2%± 2 - 5%
4
[1, 3, 2, 4] 4.17%4.21%0.04%1.04%3.89%-0.28%-6.64%5.48%1.31%31.52%± 0.2 - 0.4%± 5 - 10%
5
[1, 3, 4, 2] 4.17%4.17%0.00%0.08%5.44%1.27%30.56%5.82%1.65%39.68%± 0.4 - 0.8%± 10 - 20%
6
[1, 4, 2, 3] 4.17%4.16%-0.01%-0.16%4.31%0.14%3.44%5.50%1.33%32.00%± 0.8 - 1.2%± 20 - 30%
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[1, 4, 3, 2] 4.17%4.14%-0.03%-0.64%3.54%-0.63%-15.04%5.51%1.34%32.24%± 1.2 - 1.7%± 30 - 40%
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[2, 1, 3, 4] 4.17%4.15%-0.02%-0.40%3.89%-0.28%-6.64%2.74%-1.43%-34.24%± 1.7 - 2.2%± 40 - 50%
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[2, 1, 4, 3] 4.17%4.22%0.05%1.28%5.86%1.69%40.64%2.77%-1.40%-33.52%
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[2, 3, 1, 4] 4.17%4.22%0.05%1.28%5.46%1.29%31.04%5.43%1.26%30.32%Original blog post
11
[2, 3, 4, 1] 4.17%4.16%-0.01%-0.16%5.53%1.36%32.72%5.89%1.72%41.36%http://selenetan.com/2012/05/array-shuffling
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[2, 4, 1, 3] 4.17%4.20%0.03%0.80%4.31%0.14%3.44%5.43%1.26%30.32%
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[2, 4, 3, 1] 4.17%4.17%0.00%0.08%4.29%0.12%2.96%5.42%1.25%30.08%
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[3, 1, 2, 4] 4.17%4.16%-0.01%-0.16%4.28%0.11%2.72%2.75%-1.42%-34.00%
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[3, 1, 4, 2] 4.17%4.21%0.04%1.04%4.27%0.10%2.48%2.74%-1.43%-34.24%
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[3, 2, 1, 4] 4.17%4.17%0.00%0.08%3.56%-0.61%-14.56%2.74%-1.43%-34.24%
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[3, 2, 4, 1] 4.17%4.12%-0.05%-1.12%4.26%0.09%2.24%2.74%-1.43%-34.24%
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[3, 4, 1, 2] 4.17%4.15%-0.02%-0.40%4.25%0.08%2.00%5.46%1.29%31.04%
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[3, 4, 2, 1] 4.17%4.18%0.01%0.32%3.88%-0.29%-6.88%5.42%1.25%30.08%
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[4, 1, 2, 3] 4.17%4.11%-0.06%-1.36%3.15%-1.02%-24.40%2.70%-1.47%-35.20%
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[4, 1, 3, 2] 4.17%4.21%0.04%1.04%3.50%-0.67%-16.00%2.75%-1.42%-34.00%
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[4, 2, 1, 3] 4.17%4.10%-0.07%-1.60%3.58%-0.59%-14.08%2.72%-1.45%-34.72%
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[4, 2, 3, 1] 4.17%4.19%0.02%0.56%3.11%-1.06%-25.36%2.74%-1.43%-34.24%
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[4, 3, 1, 2] 4.17%4.14%-0.03%-0.64%3.90%-0.27%-6.40%2.71%-1.46%-34.96%
25
[4, 3, 2, 1] 4.17%4.15%-0.02%-0.40%3.95%-0.22%-5.20%2.78%-1.39%-33.28%
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Average absolute delta0.03%0.62%0.53%12.83%1.43%34.23%
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