[R] problem on Matrix package~~
bates at stat.wisc.edu
Thu Dec 9 17:07:08 CET 2010
On Thu, Dec 9, 2010 at 5:37 AM, 朱曼 <zhuman.private at gmail.com> wrote:
> I encountered a problem "not-yet-implemented method for <list> %*%
> <dgCMatrix>" when I tried "diagr %*% design_mat", where
> "diagr<-diag(vr,100)", vr is a vector with 100 elements, and design_mat is a
> sparse matrix with dimension 100*677000 constructed by calling
It will help if you provide a reproducible example. The error message
doesn't correspond to what you said you did as it indicates that the
first argument was a list.
Also, you should consider using Diag, which produces a sparse matrix
format and not diag which produces a dense matrix format.
> I am new to the Matrix package, so I am confused with this, and I need your
> best regards!
> Zhu Man, (TEL)13851764837
> School of Computer Science & Engineering
> Southeast University, Nanjing
> [[alternative HTML version deleted]]
> R-help at r-project.org mailing list
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
More information about the R-help