On 03/03/2015 02:17 PM, Gabriel Becker wrote:
Stephanie,
Actually, it's as.logical that isn't preserving matrix dimensions,
because it coerces to a logical vector:
> x <- matrix(sample(c(NA_integer_, 1:100), 500, replace=TRUE), nrow=50)
> dim(as.logical(x))
It's true, as.logical() doesn't
Stephanie,
Actually, it's as.logical that isn't preserving matrix dimensions, because
it coerces to a logical vector:
> x <- matrix(sample(c(NA_integer_, 1:100), 500, replace=TRUE), nrow=50)
> dim(as.logical(x))
NULL
~G
On Tue, Mar 3, 2015 at 2:09 PM, Stephanie M. Gogarten <
sdmor...@u.washingt
On 3/3/15 1:26 PM, Hervé Pagès wrote:
On 03/03/2015 02:28 AM, Martin Maechler wrote:
Diverted from R-help :
as it gets into musing about new R language "primitives"
William Dunlap
on Fri, 27 Feb 2015 08:04:36 -0800 writes:
> You could define functions like
> is.true
On 03/03/2015 02:28 AM, Martin Maechler wrote:
Diverted from R-help :
as it gets into musing about new R language "primitives"
William Dunlap
on Fri, 27 Feb 2015 08:04:36 -0800 writes:
> You could define functions like
> is.true <- function(x) !is.na(x) & x
> is.f
Diverted from R-help :
as it gets into musing about new R language "primitives"
> William Dunlap
> on Fri, 27 Feb 2015 08:04:36 -0800 writes:
> You could define functions like
> is.true <- function(x) !is.na(x) & x
> is.false <- function(x) !is.na(x) & !x
> and
