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JohnyJohn
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28 Sep 2011, 12:59 pm

Always in polls a 2% mark is missing.Like Yes and no and another one there will be let's say Yes 35 answers no 35 anwers and the other 28 answers.



Maje
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28 Sep 2011, 2:01 pm

very aspergish :lol:



Ambivalence
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28 Sep 2011, 2:19 pm

Interesting. The forum software appears to be rounding down to the nearest percentage in all cases. Perhaps they felt that it's better to err on the low side than risk getting a poll where they add up to over 100%, which would be possible with ordinary rounding.

Say we had real percentages:

A: 0.6%
B: 0.6%
C: 98.8%
=100%

Ordinarily that'd be rounded to:

A: 1%
B: 1%
C: 99%
=101%

As the forum does it I think it'd come out as:

A: 0%
B: 0%
C: 98%
=98%

In the best case, where there all poll response percentages are integers we'll get 100% but in any other case it'll come out less.

I think it's an emotive thing; they're working on the principle that people are happier with a less accurate rounding that returns a low total than with the awful, shocking, impossible, staggering idea of the percentage going over 100%. ^^


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Fnord
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28 Sep 2011, 2:48 pm

It's called "Rounding Error" - it's common in systems that use integer division instead of floating-point.


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