Thursday, June 05, 2008 9:02 PM
To: Duncan Murdoch
Cc: R-help forum
Subject: Re: [R] Existence of formal arguments.
On Jun 5, 2008, at 9:13 PM, Duncan Murdoch wrote:
> On 05/06/2008 8:23 PM, Rolf Turner wrote:
>> I just discovered what seems to me to be a slight funny in respect
&
On Jun 5, 2008, at 9:13 PM, Duncan Murdoch wrote:
On 05/06/2008 8:23 PM, Rolf Turner wrote:
I just discovered what seems to me to be a slight funny in respect
of formal argument names. If I define a function
foo <- function(a,b){ ... whatever ...}
then ``inside'' foo() the exists() fu
On 6/06/2008, at 12:57 PM, Erik Iverson wrote:
Note the difference between
test <- function(a) {
exists("a", mode = "symbol")
}
test()
and
test2 <- function(a) {
exists("a", mode = "numeric") #say
}
test2()
and then note that the default mode argument to exists is "any".
Basically, I
On 05/06/2008 8:23 PM, Rolf Turner wrote:
I just discovered what seems to me to be a slight funny in respect
of formal argument names. If I define a function
foo <- function(a,b){ ... whatever ...}
then ``inside'' foo() the exists() function will return TRUE
from ``exists("a") whether
Note the difference between
test <- function(a) {
exists("a", mode = "symbol")
}
test()
and
test2 <- function(a) {
exists("a", mode = "numeric") #say
}
test2()
and then note that the default mode argument to exists is "any".
Rolf Turner wrote:
I just discovered what seems to me to be a
On 05/06/2008 8:23 PM, Rolf Turner wrote:
I just discovered what seems to me to be a slight funny in respect
of formal argument names. If I define a function
foo <- function(a,b){ ... whatever ...}
then ``inside'' foo() the exists() function will return TRUE
from ``exists("a") whether
I just discovered what seems to me to be a slight funny in respect
of formal argument names. If I define a function
foo <- function(a,b){ ... whatever ...}
then ``inside'' foo() the exists() function will return TRUE
from ``exists("a") whether an object named ``a'' exists or not.
But g
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