Is this what you want: > x <- read.table(textConnection("Date Apples Oranges Pears + 1/7 2 3 5 + 2/7 1 4 7 + 3/7 3 8 10 + 4/7 5 7 2 + 5/7 6 3 5"), header=TRUE) > closeAllConnections() > x Date Apples Oranges Pears 1 1/7 2 3 5 2 2/7 1 4 7 3 3/7 3 8 10 4 4/7 5 7 2 5 5/7 6 3 5 > # shift down one row > x[, -1] <- rbind(NA, head(x[, -1], -1)) > > x Date Apples Oranges Pears 1 1/7 NA NA NA 2 2/7 2 3 5 3 3/7 1 4 7 4 4/7 3 8 10 5 5/7 5 7 2 >
On Wed, Jul 9, 2008 at 6:45 PM, rcoder <[EMAIL PROTECTED]> wrote: > > Original Table: > Date Apples Oranges Pears > 1/7 2 3 5 > 2/7 1 4 7 > 3/7 3 8 10 > 4/7 5 7 2 > 5/7 6 3 5 > > What I want after shift (data shifted, dates left unchanged) > Date Apples Oranges Pears > 1/7 na na na > 2/7 2 3 5 > 3/7 1 4 7 > 4/7 3 8 10 > 5/7 5 7 2 > > > > jholtman wrote: >> >> Can you provide commented, minimal, self-contained, reproducible code. >> If you don't have code, at least provide a before/after version of >> the matrix that you would like. It is easy to use indexing to move >> stuff around, we just have to know what is it that you want to move. >> >> On Wed, Jul 9, 2008 at 2:57 PM, rcoder <[EMAIL PROTECTED]> wrote: >>> >>> Hi everyone, >>> >>> I have some data in a matrix, and I want to shift it down by one row. The >>> matrix in question has a date column. Does anyone know of a way to shift >>> the >>> data by one row, whilst preserving the date column in the matrix - i.e. >>> shift the data and leave the date column in the current location? >>> >>> Thanks, >>> >>> rcoder >>> -- >>> View this message in context: >>> http://www.nabble.com/shifting-data-in-matrix-by-n-rows-tp18368420p18368420.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 >>> PLEASE do read the posting guide >>> http://www.R-project.org/posting-guide.html >>> and provide commented, minimal, self-contained, reproducible code. >>> >> >> >> >> -- >> Jim Holtman >> Cincinnati, OH >> +1 513 646 9390 >> >> What is the problem you are trying to solve? >> >> ______________________________________________ >> 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. >> >> > > -- > View this message in context: > http://www.nabble.com/shifting-data-in-matrix-by-n-rows-tp18368420p18372509.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 > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > -- Jim Holtman Cincinnati, OH +1 513 646 9390 What is the problem you are trying to solve? ______________________________________________ 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.