[R] Warning message:In pt(q, df, lower.tail, log.p) : NaNs produced

Hi friends, Any idea why do i get this warning?And also why all computed p-values are NaN. Have shown below what i did in Windows r-console.:-- df c1 c2 1 1 50 2 NA NA 3 4 NA 4 7 6 5 NA 7 6 10 10 r-cor(x=df,y=NULL,use=complete.obs,method=c(pearson)) r c1 c2 c1

Re: [R] Warning message:In pt(q, df, lower.tail, log.p) : NaNs produced

Obviously your df=0 in pt(STATISTIC, df). Regards, Yihui -- Yihui Xie xieyi...@gmail.com Phone: +86-(0)10-82509086 Fax: +86-(0)10-82509086 Mobile: +86-15810805877 Homepage: http://www.yihui.name School of Statistics, Room 1037, Mingde Main Building, Renmin University of China, Beijing, 100872,

Re: [R] Warning message:In pt(q, df, lower.tail, log.p) : NaNs produced

Yihui Xie wrote: Obviously your df=0 in pt(STATISTIC, df). However, there are 3 complete observation pairs, not 2, and he wants r as the off-diagonal element and not the whole correlation matrix. (and df denotes two different things, but that is just aesthetics.) Regards, Yihui -- Yihui