Re: percentages (was re: repeat with i in string optimization)
Re: percentages (was re: repeat with i in string optimization)
- Subject: Re: percentages (was re: repeat with i in string optimization)
- From: Steven Angier <email@hidden>
- Date: Tue, 25 Feb 2003 09:51:45 +1100
On 25/2/03 4:24 AM, "Charles Arthur" <email@hidden> wrote:
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On Sun, 23 Feb 2003 09:53:38 -0800, Paul Berkowitz <email@hidden> wrote
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..
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> That should have read:
>
>
>
> This is also much faster, sometimes 100 times faster.*
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>
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> * (that's 10,000 %).
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No.
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100% faster = 2x faster.
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200% faster = 3x faster.
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300% faster = 4x faster.
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400% faster = 5x faster.
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500% faster = 6x faster.
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600% faster = 7x faster.
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700% faster = 8x faster.
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800% faster = 9x faster.
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Which leads us therefore to conclude that 900% = 10x faster.
Actually:
100% FASTER = 1x FASTER = 2x AS FAST
(100%)n + n = 1n + n = 2n
Therefore, 900% faster = 10x as fast.
>
So 100x faster would be 9,000% faster. But this sounds like 9x to the
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untrained ear.
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>
The lesson: do not use percentages greater than 100%. They are always
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confusing.
I agree, that they are confusing -- mostly because it doesn't make sense to
have more than 100 of something per hundred somethings.
Steven Angier
Macscript.com
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