[R] Describing discriminant function

2008-03-30 Thread SS-R 

hello,
I have two 2-d normal multivariate distributions mapped out on a scatter
plot. I now need a line that equates the two discriminant functions, ie.
g1(x) = g2(x). This should be a quadratic. 
How can I solve this in R?
Thanks
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[R] Extracting data from Eigen function

2008-03-03 Thread SS-R 

Hi
I need to extract the data returned by Eigen to plot the eigenvectors.
However, when I try and eigv = eigen(covariance); it returns an object with
the matrices containing eigenvalues and vectors.. how can I extract the
eigenvector matrix from this??

When I try mat = eig["vectors"] it returns a matrix with the "$vectors"
string on top , how can I remove this?

code:
> eig
$values
[1] 1.2840277 0.0490834

$vectors
  [,1]   [,2]
[1,] 0.6778734 -0.7351787
[2,] 0.7351787  0.6778734


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