Re: [R] Matrix: How create a _row-oriented_ sparse Matrix (=dgRMatrix)?

2016-04-20 Thread Henrik Bengtsson
On Wed, Apr 20, 2016 at 1:25 AM, Martin Maechler wrote: >> Henrik Bengtsson >> on Tue, 19 Apr 2016 14:04:11 -0700 writes: > > > Using the Matrix package, how can I create a row-oriented sparse > > Matrix from scratch

Re: [R] Matrix: How create a _row-oriented_ sparse Matrix (=dgRMatrix)?

2016-04-20 Thread Martin Maechler
> Henrik Bengtsson > on Tue, 19 Apr 2016 14:04:11 -0700 writes: > Using the Matrix package, how can I create a row-oriented sparse > Matrix from scratch populated with some data? By default a > column-oriented one is created and I'm aware of

[R] Matrix: How create a _row-oriented_ sparse Matrix (=dgRMatrix)?

2016-04-19 Thread Henrik Bengtsson
Using the Matrix package, how can I create a row-oriented sparse Matrix from scratch populated with some data? By default a column-oriented one is created and I'm aware of the note that the package is optimized for column-oriented ones, but I'm only interested in using it for holding my sparse