Marc == Marc Schwartz [EMAIL PROTECTED]
on Wed, 19 Oct 2005 20:28:05 -0500 writes:
.
In reviewing the Green Book on the top of page 143, it shows an example
in which the RHS of the assignment are the indices into the LHS object
which are to be set to NA. For
On Thu, 2005-10-20 at 11:34 +0200, Martin Maechler wrote:
Marc == Marc Schwartz [EMAIL PROTECTED]
on Wed, 19 Oct 2005 20:28:05 -0500 writes:
.
In reviewing the Green Book on the top of page 143, it shows an
example
in which the RHS of the assignment are
Hi,
It does seem to be working as advertised, but not particulary
intuitively. From ?is.na
The generic function 'is.na-' sets elements to 'NA'
In fact:
xx - c(NA, 1)
is.na(xx) - 2
xx
[1] NA NA
or is.na(xx) - 5
[1] NA 1 NA NA NA
Looks like this was introduced in 1.4.0; from NEWS:
o
On Thu, 2005-10-20 at 01:13 +0100, Ted Harding wrote:
On 19-Oct-05 Gabor Grothendieck wrote:
In the following the first element of xx should have
been set to 0 but remains NA. Any comments?
xx - c(NA,1)
is.na(xx) - 0
xx
[1] NA 1
R.version.string # Windows XP
[1] R version
On 10/19/05, Marc Schwartz [EMAIL PROTECTED] wrote:
On Thu, 2005-10-20 at 01:13 +0100, Ted Harding wrote:
On 19-Oct-05 Gabor Grothendieck wrote:
In the following the first element of xx should have
been set to 0 but remains NA. Any comments?
xx - c(NA,1)
is.na(xx) - 0
xx
On Wed, 2005-10-19 at 21:09 -0400, Gabor Grothendieck wrote:
On 10/19/05, Marc Schwartz [EMAIL PROTECTED] wrote:
On Thu, 2005-10-20 at 01:13 +0100, Ted Harding wrote:
On 19-Oct-05 Gabor Grothendieck wrote:
In the following the first element of xx should have
been set to 0 but remains
