Displaying 2 results from an estimated 2 matches for "tp2126314p2130631".
2010 May 04
3
Two Questions on R (call by reference and pre-compilation)
Hi All,
I have two questions on R. Could you please explain them to me? Thank you!
1) When call a function, R typically copys the values to formal
arguments (call by value). This is very cost, if I would like to pass a
huge data set to a function. Is there any situations that R doesn't copy
the data, besides pass data in an environment object.
2) Does R pre-compile the object function to
2010 May 05
0
R-help Digest, Vol 87, Issue 5
...sets, I've just discovered readLines and writeLines
functions. I'm using it now to read in single rows, calculate things on
them, and then write a single row to a file.
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------------------------------
Message: 139
Date: Wed, 05 May 2010 18:53:32 +1000
From: Jim Lemon <jim at bitwrit.com.au>
To: Anthony Fristachi <afristachi at portageinc.com>
Cc: "r-help at r-project.org" <r-...