Re: [R] Memory usage reported by gc() differs from 'top'

Merci beaucoup Milan, thank you very much Martin and Kjetil for your responses. I appreciate the caveat about virtual memory. I gather that besides resident memory and swap space, it may also include memory mapped files, which don't "cost" anything. Maybe by pure chance, in my case virtual memor

[R] Memory usage reported by gc() differs from 'top'

In help(gc) I read, "...the primary purpose of calling 'gc' is for the report on memory usage". What memory usage does gc() report? And more importantly, which memory uses does it NOT report? Because I see one answer from gc(): used (Mb) gc trigger (Mb) max used (Mb) Ncells 148759

Re: [R] vector entry in matix

To second Bert Gunter: you may get better answers if you give us a complete description. On Thu, Jul 5, 2012 at 12:37 PM, Thomas C. wrote: > i have number of triangles which i'd like to store in a list, > matrix,...etc. > i thought it could look sth. like that: > > trianglenode1

Re: [R] ranking a vector in R

On Wed, Jun 20, 2012 at 6:24 PM, Jessy wrote: > May someone help me with how in R I can rank a vector from highest to > lowest. i.e rank 1 (smallest rank) is given to the highest value instead > of the usual way that it get's the highest rank. > How about rank(-v), e.g., > > rank(-c(3,1,4,6,5)