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Posted to user@jmeter.apache.org by Joseph Ribin Roy <jo...@aztecsoft.com> on 2008/03/07 08:05:24 UTC
90% and Median
Hi all
Sorry if any one had answered this question earlier.
Can any one explain how 90 % and median is calculated in Jmeter
Say I have 10 samples with response time in ms
150
200
250
160
180
79
125
210
175
200
How Aggregate Report listener calculate the 90% and median out of this
Thanks for reading
Joseph
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www.aztecsoft.com
Re: 90% and Median
Posted by sebb <se...@gmail.com>.
On 07/03/2008, Quasar <qu...@libero.it> wrote:
> You have to sort the samples:
Which is why the Aggregate Listener may need lots of memory; it keeps
all the sample values to be able to (re)sort them.
>
> 79
> 125
> 150
> 160
> 175
> 180
> 200
> 200
> 210
> 250
>
>
> The median (50%line/percentile) is the average of the 5th and 6th
> elements (175+180)/2=177.5
> The 90%line/percentile is the 9th element: 210
>
> Hope this helps.
>
> Quasar
>
>
> Joseph Ribin Roy wrote:
> > Hi all
> >
> >
> > Sorry if any one had answered this question earlier.
> > Can any one explain how 90 % and median is calculated in Jmeter
> >
> >
> >
> > Say I have 10 samples with response time in ms
> >
> >
> > 150
> > 200
> > 250
> > 160
> > 180
> > 79
> > 125
> > 210
> > 175
> > 200
> >
> >
> > How Aggregate Report listener calculate the 90% and median out of this
> >
> >
> >
>
>
>
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Re: 90% and Median
Posted by Quasar <qu...@libero.it>.
You have to sort the samples:
79
125
150
160
175
180
200
200
210
250
The median (50%line/percentile) is the average of the 5th and 6th
elements (175+180)/2=177.5
The 90%line/percentile is the 9th element: 210
Hope this helps.
Quasar
Joseph Ribin Roy wrote:
> Hi all
>
>
> Sorry if any one had answered this question earlier.
> Can any one explain how 90 % and median is calculated in Jmeter
>
>
>
> Say I have 10 samples with response time in ms
>
>
> 150
> 200
> 250
> 160
> 180
> 79
> 125
> 210
> 175
> 200
>
>
> How Aggregate Report listener calculate the 90% and median out of this
>
>
>
---------------------------------------------------------------------
To unsubscribe, e-mail: jmeter-user-unsubscribe@jakarta.apache.org
For additional commands, e-mail: jmeter-user-help@jakarta.apache.org
Re: 90% and Median
Posted by sebb <se...@gmail.com>.
These are the standard statistical measures.
See for example:
http://en.wikipedia.org/wiki/Median
and
http://en.wikipedia.org/wiki/Percentile
On 07/03/2008, Joseph Ribin Roy <jo...@aztecsoft.com> wrote:
>
> Hi all
>
> Sorry if any one had answered this question earlier.
> Can any one explain how 90 % and median is calculated in Jmeter
>
> Say I have 10 samples with response time in ms
>
> 150
> 200
> 250
> 160
> 180
> 79
> 125
> 210
> 175
> 200
>
> How Aggregate Report listener calculate the 90% and median out of this
>
>
> Thanks for reading
> Joseph
>
>
>
> This email message and its attachments may contain CONFIDENTIAL AND PRIVILEGED INFORMATION intended for the sole use of the addressee(s). If you have received it in error, please contact the sender by return email, notify your system manager and destroy the original message and any copies thereof. Any review, use, disclosure or distribution is unlawful. Please check this email and any attachments for the presence of viruses. The Company accepts no liability for any damage caused by any virus transmitted by this email. The views or opinions presented in this e-mail are solely those of the author and do not necessarily represent those of the company.
> The Company reserves the right to monitor, review and store the content of all messages sent to or from this e-mail address.
>
> www.aztecsoft.com
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