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...tmp.df[,i]) + } ### nothing happens; no error msg; no plotting device opened > xyplot(tmp.df$y.tmp ~ tmp.df[,2]) ### without loop works fine and plots relationship of x1.tmp and y.tmp Can someone see what I'm missing? Any directions/pointers appreciated. cheers, Dave datkins at u.washington.edu

I would like R to produce some tabulated data in a graphical output. When I say tabulated data, what I mean is a table with rows and columns. This would be useful when reading in a big file, performing some analysis on it, and then wanting to display the results as a table. Something like plot(x,...) where x is a matrix For example, the result could look (approximatly) like...

I read a tab-delimited ASCII table, with a header, into R thus. Table <- read.table(FileName, header=TRUE, sep="\t"); Is there any way I can now retrieve the header. The header information is obviously there since I see it, along with the values of the first row of data, when I type Table[1, ] However, I cannot find an R function to retrieve the header information from

Greetings, I have a meta-analysis problem in which I have fixed effects regression coefficients (and estimated standard errors) from identical models fit to different data sets. I would like to use these results to create pooled estimated regression coefficients and estimated standard errors for these pooled coefficients. In particular, I would like to estimate the model \beta_{i} = \mu +