Sorry, the first line should have been
Mat[match( Subscript_Vec, rownames(Mat)),]
and the rest remains the same.
Best,
Jorge.-
On Mon, Apr 29, 2013 at 11:45 PM, Jorge I Velez wrote:
> Christofer,
>
> The following should get you started:
>
> r <- Mat[match(rownames(Mat), Subscript_Vec),]
> ro
11
A.K.
- Original Message -
From: Jorge I Velez
To: Christofer Bogaso
Cc: r-help
Sent: Monday, April 29, 2013 9:45 AM
Subject: Re: [R] Need help on matrix calculation
Christofer,
The following should get you started:
r <- Mat[match(rownames(Mat), Subscript_Vec),]
rownames(r) <- Subscrip
Christofer,
The following should get you started:
r <- Mat[match(rownames(Mat), Subscript_Vec),]
rownames(r) <- Subscript_Vec
r
HTH,
Jorge.-
On Mon, Apr 29, 2013 at 11:38 PM, Christofer Bogaso <
bogaso.christo...@gmail.com> wrote:
> Hello again,
>
> Let say I have 1 matrix:
>
> Mat <- matrix
Hello again,
Let say I have 1 matrix:
Mat <- matrix(1:12, 4, 3)
rownames(Mat) <- letters[1:4]
Now I want to subscript of Mat in following way:
Subscript_Vec <- c("a", "e", "b", "c")
However when I want to use this vector, I am geting following error:
Mat[Subscript_Vec, ]
Error: subscript out
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