OK, thanks. n is a list containing two list objects (a numeric vector and a matrix). I want to replicate n$vectors within list n and name it n$vectors$test. Thanks
On Mon, Jun 20, 2011 at 11:35 AM, David Winsemius <dwinsem...@comcast.net>wrote: > > On Jun 20, 2011, at 5:00 AM, mdvaan wrote: > > #Hi list, >> >> #From the code below I get two list objects (n$values and n$vectors): >> > > One of which is a numeric vector and the other of which is a matrix. > > dat <- matrix(1:9,3) >> n<-eigen(dat) >> n >> >> # How do I add another object to n that replicates n$vectors and is called >> n$vectors$test? >> # Thanks a lot! >> > > Maybe you should explain what your goal is. At the moment n$vectors is not > a list but rather a matrix. As such assignment of <anything> to > n$vectors$test will result in coercion of the matrix elements to individual > list elements, as you should have seen from the warning message when you > tried the obvious. > > > n$vectors$test <- n$vectors > Warning message: > In n$vectors$test <- n$vectors : Coercing LHS to a list > > > n > $values > [1] 1.611684e+01 -1.116844e+00 -5.700691e-16 > > $vectors > $vectors[[1]] > [1] -0.4645473 > > $vectors[[2]] > [1] -0.5707955 > > $vectors[[3]] > [1] -0.6770438 > > $vectors[[4]] > [1] -0.882906 > > $vectors[[5]] > [1] -0.2395204 > > $vectors[[6]] > [1] 0.4038651 > > $vectors[[7]] > [1] 0.4082483 > > $vectors[[8]] > [1] -0.8164966 > > $vectors[[9]] > [1] 0.4082483 > > $vectors$test > [,1] [,2] [,3] > [1,] -0.4645473 -0.8829060 0.4082483 > [2,] -0.5707955 -0.2395204 -0.8164966 > [3,] -0.6770438 0.4038651 0.4082483 > > So the tenth element of n$vectors (which is now of a different class) will > be the desired result but you have 9 list elements that were the original > matrix values > > > n$vectors[[10]] > [,1] [,2] [,3] > [1,] -0.4645473 -0.8829060 0.4082483 > [2,] -0.5707955 -0.2395204 -0.8164966 > [3,] -0.6770438 0.4038651 0.4082483 > > >> >> >> >> >> -- >> >> View this message in context: http://r.789695.n4.nabble.com/** >> Adding-objects-to-a-list-**tp3610821p3610821.html<http://r.789695.n4.nabble.com/Adding-objects-to-a-list-tp3610821p3610821.html> >> Sent from the R help mailing list archive at Nabble.com. >> >> ______________________________**________________ >> R-help@r-project.org mailing list >> >> https://stat.ethz.ch/mailman/**listinfo/r-help<https://stat.ethz.ch/mailman/listinfo/r-help> >> PLEASE do read the posting guide http://www.R-project.org/** >> posting-guide.html <http://www.R-project.org/posting-guide.html> >> and provide commented, minimal, self-contained, reproducible code. >> > > David Winsemius, MD > West Hartford, CT > > [[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.