> "YJ" == Yuan Jian <[EMAIL PROTECTED]>
> on Wed, 16 Apr 2008 18:42:53 -0700 (PDT) writes:
YJ> thanks,
YJ> can I ask another basic question?
yes, but *NOT* on R-devel.
PLEASE! There seems to be a recent tendency to misuse R-devel
for things that *REALLY* *ONLY* belong to
thanks,
can I ask another basic question?
I have a matrix (1 X 6). 1 rows and 6 columns.
I want to remove rows that have sd(col1, col2,col3) <1 or sd(col4,col5,col6)
<1.
what is the simple way?
Yu
Duncan Murdoch <[EMAIL PROTECTED]> wrote:
On 16/04/2008 7:33 PM, Yuan
On 16/04/2008 7:33 PM, Yuan Jian wrote:
> Hello,
> I have a matrix, I want to change value to 0 when a element in the matrix
> has less than 10.
> do you know how to do it without using loops?
A[A < 10] <- 0
Remember that matrices are just vectors with dimensions, so you can
index one like
Hello,
I have a matrix, I want to change value to 0 when a element in the matrix has
less than 10.
do you know how to do it without using loops?
-
[[alternative HTML version deleted]]
__
Hi John,
John Chambers wrote:
> The "infelicity" arises because validObject() is not a generic function;
> validity "method" is a bit of a misnomer.
Indeed. And I guess referring to "method dispatch" like I did in my previous
email is not appropriate either.
So yes I learned that thinking of val
The "infelicity" arises because validObject() is not a generic function;
validity "method" is a bit of a misnomer. The functions are attached to
the class definition and validObject looks for them directly--in the
process it catches all methods from superclasses, but not from
superclasses of t
Please see the posting guide:
For questions about unexpected behavior or a possible bug, you should,
at a minimum, copy and paste the output from sessionInfo() into
your message.
...
If you are using an old version of R and think it does not work
properly, upgrade to the latest vers
Dear R-devel,
My g++ complains about the first argument to Rprintf being non-const char *.
For example when compiling the line
Rprintf("hello world\n");
the following warning is emitted:
warning: deprecated conversion from string constant to 'char*'
Is there a reason for the non-const? It is
Hi,
x <- 1L
class(x) <- c("myInt", "integer")
is(x)
Error in inherits(x, "factor") :
argument "class2" is missing, with no default
The problem arises when is() is used with only one argument (object)
which has more than one class reported by class(object).
In the code is() does use variable "c
Prof Brian Ripley wrote:
> It's a bug -- unlike is.loaded, getNativeSymbolInfo seems unaware of
> Fortran names unless registered.
>
> Will be fixed in 2.7.0.
>
> On Wed, 9 Apr 2008, [EMAIL PROTECTED] wrote:
>
>>
>> In the following code routine 'initaquaphy' is defined in Fortran,
>> and dynam
10 matches
Mail list logo
