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LoadRunner Practitioners Forum
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what is negative correlation with connections in Analysis

RajeshKuchana
Valued Contributor.

what is negative correlation with connections in Analysis

Hi All,

After completiong of Web Services execution in Controller i have opened Analysis summary report and Click on "Analyze Transaction Mechanism" - click on Generate Report.

It has generated the report but not able to understand what is "negative correlation with connections"

Please find screenshot for more details and provide answers for this and any one provide in pdf document i will find this type of Errors.

 

4 REPLIES
RajeshKuchana
Valued Contributor.

Re: what is negative correlation with connections in Analysis

No one from HPE team member what this issue is and why it comes?.

AvniLior
Acclaimed Contributor.

Re: what is negative correlation with connections in Analysis

Hi Rajesh,

- positive correlation means that a specific measurements "behaves" in the same way the source measurement behaves. For example, when the source measurements goes up and the other one goes up as well
- negative correlation means that a specific measurement "behaves" in the opposite manner. For example: when the source measurement goes up the other one goes down
 
Hope this helps,
Lior
RajeshKuchana
Valued Contributor.

Re: what is negative correlation with connections in Analysis

Hi Lior

Thank you for your reply,can you please elaborate with more examples,not able to understand the same.

AvniLior
Acclaimed Contributor.

Re: what is negative correlation with connections in Analysis

Hi

You need to look at the big picture.

two graphs can have a positive correlation relationship - meaning that when one is going up (for example Vuser count), the other one is going up as well (for example the transaction response time)

Negative correlation is the oposite example: while one measurment is going up (like transaction response time), another one is going down (like hits per second) - again, just an example, it can change from test to test.

Hope this exaplains better.

Thanks,

Lior