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Accuracy ± value of SD
Posted by: Rahul
Date: November 19, 2018 08:07AM

What we mean by the accuracy is 0.96 ± 0.14 .I have seen it in many papers and it is written 0.14 is standard deviation.
Even some time it is written in table delay in time like
What is the relation between standard deviation and other evaluation metrics why we put plus minus the value of SD
Delay(SD)
--------------
34.15 ± 10.10

Same this paper

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Re: Accuracy ± value of SD
Date: November 19, 2018 03:17PM

Rahul Wrote:
-------------------------------------------------------
> What we mean by the accuracy is 0.96 ± 0.14 .I
> have seen it in many papers and it is written 0.14
> is standard deviation.
> Even some time it is written in table delay in
> time like
> What is the relation between standard deviation
> and other evaluation metrics why we put plus minus
> the value of SD
> Delay(SD)
> --------------
> 34.15 ± 10.10


If you have a set of values X1, X2 ... Xn

then, the average is: avg = (x1 + x2 + ... + xn ) / n.

The standard deviation is: sqrt(((x1 - avg)^2 + (x2 - avg)^2 ... + (xn - avg)^2 )/ n).

Basically, the standard deviation gives you an iea about how much the data is varying around the average. So that is why, they are using the plus and minus sign (±)

You can think of 34.15 ± 10.10 as saying that on average the value is around 34.15 and the value is generally within [34.15-10.10, 34.15 + 10.10]



Edited 1 time(s). Last edit at 11/19/2018 03:18PM by webmasterphilfv.

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