Dear all,
I have a data frame
a - data.frame(cbind(x=c('a','a','a','b','c'),
y=c('a','b','c','d','e'),z=c(1,2,3,4,5)))
a
x y z
1 a a 1
2 a b 2
3 a c 3
4 b d 4
5 c e 5
and a matrix
mm - matrix(0,5,5)
colnames(mm) - c('a','b','c','d','e')
rownames(mm) - c('a','b','c','d','e')
mm
a b c d e
On Thu, 28 Jun 2007, Andrej Kastrin wrote:
Dear all,
I have a data frame
a - data.frame(cbind(x=c('a','a','a','b','c'),
y=c('a','b','c','d','e'),z=c(1,2,3,4,5)))
a
x y z
1 a a 1
2 a b 2
3 a c 3
4 b d 4
5 c e 5
and a matrix
mm - matrix(0,5,5)
colnames(mm) - c('a','b','c','d','e')
You need some caution with Brian's solution as it
depends on the matrix being in the same order as
the factors in the data frame.
a - data.frame(cbind(x=c('a','a','a','b','c'),
y=c('a','b','c','d','e'),z=c(1,2,3,4,5)))
mm - matrix(0,5,5)
colnames(mm) - c('a','b','c','d','e')
rownames(mm) -
