> > I'd also be interested in why the 'direct, brute force' approach
> > (above) doesn't work,
Your example was a 3-dimensional array, so
> rownames(P) <- colnames(P) <- c(live', 'dead')
would have worked; rownames() and colnames() work on dimnames[1] and
dimnames[2].
But
rownames(P[,,1])
cou
In your example, P is a three dimensional array. You can assign names to
the three dimensions using the dimnames() function. For example, this
command assigns names to the first two dimensions, but leaves the third
dimension without names.
dimnames(P) <- list(c("live", "dead"), c("live", "dead")
31, 2015 2:19 AM
To: Evan Cooch
Cc: r-help@r-project.org
Subject: Re: [R] naming rows/columns in 'array of matrices' | solved
> On 30 Jan 2015, at 20:34 , Evan Cooch wrote:
>
> The (obvious, after the fact) solution at the bottom. D'oh...
>
[snip]
> Forgot I was de
> On 30 Jan 2015, at 20:34 , Evan Cooch wrote:
>
> The (obvious, after the fact) solution at the bottom. D'oh...
>
[snip]
> Forgot I was dealing with a multi-dimensional array, not a list. So,
> following works fine. I'm sure there are better approaches (where 'better' is
> either 'cooler', o
The (obvious, after the fact) solution at the bottom. D'oh...
On 1/30/2015 2:07 PM, Evan Cooch wrote:
Suppose I have the following situation:
I have an array of 2 matrices, where each matrix is (2x2):
P <- array(0, c(2,2,2))
P[,,1] <- matrix(c(1,2,3,4),2,2,byrow=T);
P[,,2] <- matrix(c(5,6,7,8
Suppose I have the following situation:
I have an array of 2 matrices, where each matrix is (2x2):
P <- array(0, c(2,2,2))
P[,,1] <- matrix(c(1,2,3,4),2,2,byrow=T);
P[,,2] <- matrix(c(5,6,7,8),2,2,byrow=T);
I want to label rows and columns of each matrix in the array, such that
P would look l
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