Hi David, This is not private tutoring, just someone trying to help, and I'm sorry for my distraction.
On Tue, Nov 1, 2011 at 10:34 PM, David Winsemius <dwinsem...@comcast.net>wrote: > Shahab; > > You would be well advised not to seek private tutoring from someone on the > Internet who tells you that a p-value of 0.008736 is "not significant". > > > > On Nov 1, 2011, at 8:09 PM, Raphael Saldanha <saldanha.plan...@gmail.com> > wrote: > > > Hi Shahab, > > > > This test shows that there is some positive statistical correlation, BUT > > the p-value of the test - this is, the level of significance - shows that > > the correlation is not statistically significant at 95% confidence level. > > So, the correlation may be equal to zero. > > > > To understand this concepts in a good way, you need to be secure about > > variance and hypothesis test. > > > > I can help you more if you need. Send me a direct mail (this list is for > > doubts about R, not conceptual statistics). I will be happy to help you > > with Statistics. > > > > My e-mail: saldanha.plan...@gmail.com > > > > On Tue, Nov 1, 2011 at 8:58 PM, shahab <shahab.mok...@gmail.com> wrote: > > > >> Hi, > >> > >> I am not really familiar with Correlation foundations, although I read > >> a lot. So maybe if someone kindly help me to interpret the following > >> results. > >> I had the following R commands: > >> > >> correlation <-cor( vector_CitationProximity , vector_Impact, method = > >> "spearman", use="na.or.complete") > >> cor_test<-cor.test(vector_CitationProximity, vector_Impact, > >> method="spearman") > >> > >> and the results are: > >> "correlation" > >> Correlation = 0.04715686 > >> > >> "cor_test" > >> Spearman's rank correlation rho > >> > >> data: vector_CitationProximity and vector_Impact > >> S = 5581032104, p-value = 0.008736 > >> alternative hypothesis: true rho is not equal to 0 > >> sample estimates: > >> rho > >> 0.04582115 > >> > >> > >> So apparently, there is positive correlation between two given > >> variables since Correlation = 0.04715686 > 0 > >> However I couldn't interpret the significance ?' what does "rho" say? > >> Is there any simple sample that I can read and try to understand? I am > >> do confused in understanding how significance can be interpreted. > >> > >> Thanks, > >> > >> /Shahab > >> > >> ______________________________________________ > >> R-help@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. > >> > > > > > > > > -- > > Atenciosamente, > > > > Raphael Saldanha > > saldanha.plan...@gmail.com > > > > [[alternative HTML version deleted]] > > > > ______________________________________________ > > R-help@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. > -- Atenciosamente, Raphael Saldanha saldanha.plan...@gmail.com [[alternative HTML version deleted]] ______________________________________________ R-help@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.
