Hi r-help-boun...@r-project.org napsal dne 15.06.2010 19:51:39:
> Hi All, > > I am trying to turn a Matrix into a vector for analysis purposes. I need to > select only certain columns from the entire matrix for the vector (intraday > time intervals). Also I need to transpose the Matrix (so times are in rows) > stack each successive new column on top of each other (latest at the top > creating one long vector vs a matrix) then reassign the date to the left of > each time (right now date is only shown once by row and will be in columns > when transposed). Any thoughts? Perhaps read docs for matrix, vector, transpose, stack and maybe check Rintro docs for data manipulation? Petr > > [[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. ______________________________________________ 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.