On Tue, 1 Jul 2003, Arun Horne wrote: > I have a matrix of values that I want to convert to a vector, but remove > certain entries in the matrix first, i.e. in the vector I want every value > in the matrix that is greater than 1000. I would also like to find out how > many values are excluded in the transition from matrix to vector. Could > someone tell me how this can be done?
start with matrix A, and treat it like a vector (which it is) vec <- A[A > 1000] (reads down columns, BTW) excluded <- sum(!(A > 1000)) -- Brian D. Ripley, [EMAIL PROTECTED] Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/ University of Oxford, Tel: +44 1865 272861 (self) 1 South Parks Road, +44 1865 272866 (PA) Oxford OX1 3TG, UK Fax: +44 1865 272595 ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help
