array[cbind(1:999,vector)] -pd
On 01 Mar 2017, at 14:28 , Wolfgang Waser <wa...@frankenfoerder-fg.de> wrote: > Dear all, > > I have to pick one value per row from an array, but from row to row from > a different column. The column positions of the values for each row are > stored in a vector. > > array: 999 rows, 48 columns > > vector: 999 values (each between 1 and 48) indicating for each row which > value to pick from that row. > > Is there a non-loop way to pick the 999 values from the array, probably > using some form of ?apply? > > > Thank you very much for help and suggestions! > > Wolfgang > > ______________________________________________ > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > 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. -- Peter Dalgaard, Professor, Center for Statistics, Copenhagen Business School Solbjerg Plads 3, 2000 Frederiksberg, Denmark Phone: (+45)38153501 Office: A 4.23 Email: pd....@cbs.dk Priv: pda...@gmail.com ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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.
