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Hello, I'm currently using the unif_rand() function of R to get a random number from the uniform distribution in the C-part of a R package. The unif_rand() is heavily used. Now I would like to spawn...

Hi! On 08/24/2011 07:46 PM, David Winsemius wrote: >> I was looking for an elegant solution ;) In the real case I have double >> values and this would be quite inefficient then. > > Still no r-code: > > Then what about...

Hi! On 03/02/2010 02:22 PM, Nutter, Benjamin wrote: >> as.data.frame(t(df)) > > For example > >> x<- as.data.frame(t(mtcars)) >> typeof(x) > [1] "list" Thanks for the quick reply! I would never have guessed that as...

Hello, is there an elegant way, how I can convert each row of a data frame into distinct elements of a list? In essence, what I'm looking for is something like rows.to.lists <- function( df ) { ll <- NULL for...

Hello, I'd like to rank rows of a data frame similar to what rank() does for vectors. However, ties should be broken by columns that I specify. If it is not possible to break a ties (because the row...

Hi! >>>> in R? Basically, what I need is a mixture of order() and rank(). >>>> While the former allows to specify multiple vectors, it doesn't >>>> provide the flexibility of rank() such that I can specify what >>>> happens if ties can...

Hi! >> I'd like to rank rows of a data frame similar to what rank() does >> for vectors. However, ties should be broken by columns that I >> specify. If it is not possible to break a ties (because the row...

Dear R people, I do not have much knowledge about linear algebra but currently I need to understand what the function qr.qty is actually doing. The documentation states that it calculates t(Q) %*% y via a previously performed QR...

Dear Bioconductors, (resent two days after my initial attempt) I recently got an automated message reporting a problem concering the 'mgsa' package for which I'm listed as the maintainer. I would like to check this out and apply a...

Hi! >> On 08/24/2011 07:46 PM, David Winsemius wrote: >>>> I was looking for an elegant solution ;) In the real case I have double >>>> values and this would be quite inefficient then. >>> >>> Still no r-code: >>> >>> Then what about...