Wacek Kusnierczyk wrote:
smells bad design.
Nonsense.
One of the key design features of R is that it
hides implementation details from users. They
are free to think about the substantive issues with
their data rather than worrying about computational
trivia.
There may have been some, but I don't recall a
time when I've ever needed to know if a vector in R
was integer or double.
Patrick Burns
[EMAIL PROTECTED]
+44 (0)20 8525 0696
http://www.burns-stat.com
(home of S Poetry and "A Guide for the Unwilling S User")
jim holtman wrote:
If you want them to be identical, then you have to explicitly assign
an integer to the vector so that conversion is not done:
x = 1:10
y = 1:10
all.equal(x,y)
[1] TRUE
identical(x,y)
[1] TRUE
y[11] = 11L
y = y[1:10]
all.equal(x,y)
[1] TRUE
identical(x,y)
[1] TRUE
On Sun, Oct 26, 2008 at 6:39 PM, Wacek Kusnierczyk
<[EMAIL PROTECTED]> wrote:
given what ?identical says, i find the following odd:
x = 1:10
y = 1:10
all.equal(x,y)
[1] TRUE
identical(x,y)
[1] TRUE
y[11] = 11
y = y[1:10]
all.equal(x,y)
[1] TRUE
identical(x,y)
[1] FALSE
y
[1] 1 2 3 4 5 6 7 8 9 10
length(y)
[1] 10
looks like a bug.
platform i686-pc-linux-gnu
arch i686
os linux-gnu
system i686, linux-gnu
status
major 2
minor 7.0
year 2008
month 04
day 22
svn rev 45424
language R
version.string R version 2.7.0 (2008-04-22)
vQ
--
-------------------------------------------------------------------------------
Wacek Kusnierczyk, MD PhD
Email: [EMAIL PROTECTED]
Phone: +47 73591875, +47 72574609
Department of Computer and Information Science (IDI)
Faculty of Information Technology, Mathematics and Electrical Engineering (IME)
Norwegian University of Science and Technology (NTNU)
Sem Saelands vei 7, 7491 Trondheim, Norway
Room itv303
Bioinformatics & Gene Regulation Group
Department of Cancer Research and Molecular Medicine (IKM)
Faculty of Medicine (DMF)
Norwegian University of Science and Technology (NTNU)
Laboratory Center, Erling Skjalgsons gt. 1, 7030 Trondheim, Norway
Room 231.05.060
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