Displaying 2 results from an estimated 2 matches for "memtrace_report".
2012 Jan 17
1
names<- appears to copy 3 times?
Hi,
$ R --vanilla
R version 2.14.1 (2011-12-22)
Platform: i686-pc-linux-gnu (32-bit)
> DF = data.frame(a=1:3,b=4:6)
> DF
a b
1 1 4
2 2 5
3 3 6
> tracemem(DF)
[1] "<0x8898098>"
> names(DF)[2]="B"
tracemem[0x8898098 -> 0x8763e18]:
tracemem[0x8763e18 -> 0x8766be8]:
tracemem[0x8766be8 -> 0x8766b68]:
> DF
a B
1 1 4
2 2 5
3 3 6
>
Are those 3
2008 Jan 09
7
An "R is slow"-article
Hi all,
Reading the wikipedia page on R, I stumbled across the following:
http://fluff.info/blog/arch/00000172.htm
It does seem interesting that the C execution is that much slower from
R than from a native C program. Could any of the more technically
knowledgeable people explain why this is so?
The author also have some thought-provoking opinions on R being
no-good and that you should write