[R] How to answer the question about transitive correlation?

[Uwe Ligges]

On 22.04.2011 05:42, zhu yao wrote:
> Hi, everyone. I know it may be a basic statistical question. But I can't
> find a good answer.
>
> I have a question raised by one of the reviewers.
> Factor A expression was strongly correlated with B expression (chi-square)
> in this series. Prior reports by the same authors showed that B expression
> strongly correlated with survival (Log-rank). Please provide an explanation
> why then were the results not transitive.

I do not understand anything here:

- First of all: Why is this a question on the *R* help mailing list?

- How is "the reviewer"?
- How is "the same authors"?
- Which article are you referring to?
- What is *known* about the relation between the stuff you named "A", 
"B" and "survival"?


Uwe Ligges




> Thanks a lot.
>
> *Yao Zhu*
> *Department of Urology
> Fudan University Shanghai Cancer Center
> Shanghai, China*
>
> 	[[alternative HTML version deleted]]
>
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.