example:

> x<-c(1,1,1)
> y<-c(2,2,2)
> m<-rbind(x,y)
> m
  [,1] [,2] [,3]
x    1    1    1
y    2    2    2

> dimnames(m)
[[1]]
[1] "x" "y"

[[2]]
NULL

> dimnames(m)[[1]]<-c("a","b")
> m
  [,1] [,2] [,3]
a    1    1    1
b    2    2    2

Am 15.05.2012 um 11:19 schrieb Gundala Viswanath:

> I have the following matrix:
>> dat
> 
>                      [,1]      [,2]       [,3]        [,4]
> foo 0.7574657 0.2104075 0.02922241 0.002705617
> foo 0.0000000 0.0000000 0.00000000 0.000000000
> foo 0.0000000 0.0000000 0.00000000 0.000000000
> foo 0.0000000 0.0000000 0.00000000 0.000000000
> foo 0.0000000 0.0000000 0.00000000 0.000000000
> foo 0.0000000 0.0000000 0.00000000 0.000000000
> 
> and given this:
> 
>> new_names <- c("k0","k1","k2,"k3","k4","k5");
> 
> 
> How can I get this?
> 
> 
>                      [,1]      [,2]       [,3]        [,4]
> k0 0.7574657 0.2104075 0.02922241 0.002705617
> k1 0.0000000 0.0000000 0.00000000 0.000000000
> k2 0.0000000 0.0000000 0.00000000 0.000000000
> k3 0.0000000 0.0000000 0.00000000 0.000000000
> k4 0.0000000 0.0000000 0.00000000 0.000000000
> k5 0.0000000 0.0000000 0.00000000 0.000000000
> 
> best,
> GV.
> 
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