On Tue, 2005-03-15 at 18:26 +0100, Peter Dalgaard wrote: > Marc Schwartz <[EMAIL PROTECTED]> writes: > > > On Tue, 2005-03-15 at 18:05 +0100, Peter Dalgaard wrote: > > > I bumped into the following situation: > > > > > > Browse[1]> coef > > > deg0NA deg4NA deg8NA deg0NP deg4NP deg8NP > > > (Intercept) 462 510 528 492 660 762 > > > Browse[1]> coef[,1] > > > [1] 462 > > > Browse[1]> coef[,1,drop=F] > > > deg0NA > > > (Intercept) 462 > > > > > > where I really wanted neither, but > > > > > > (Intercept) > > > 462 > > > > > > Anyone happen to know a neat way out of the conundrum? > > > > > > I can think of > > > > > > rowSums(coef[,1,drop=F]) > > > > > > or of course > > > > > > val <- coef[,1] > > > names(val) <- rownames(x)) > > > > > > but the first one is sneaky and the second gets a bit tedious... > > > > Peter, > > > > How about something like this: > > > > > x > > deg0NA deg4NA deg8NA deg0NP deg4NP deg8NP > > (Intercept) 462 510 528 492 660 762 > > IV1 1 2 3 4 5 6 > > > > > > > x[1] > > (Intercept) > > 462 > > > > > str(x[1]) > > Named num 462 > > - attr(*, "names")= chr "(Intercept)" > > > > > > Does that work or am I missing something? > > You're missing the context. What I really need is something that will > extract a column of a matrix as a vector in the usual way, but will > not get confused if there is only one row.
OK. <scratching head.....> Well, thinking that there was an approach using t(), it works, but retains a 2 dim structure which is not what you want. It also retains the colname from the original structure as the rowname for the new construct. I don't have another idea at this point for you, but I'll keep thinking... :-) Marc ______________________________________________ R-devel@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
