[R] distance matrix as text file - how to import?

From: Hans-Jörg Bibiko <bibiko_at_eva.mpg.de>
Date: Tue, 08 Apr 2008 20:50:53 +0200


Dear all,

I have -hopefully- a tiny problem.

I was sent a text file containing a distance matrix ā la:

1
2 3

4 5 6

Now I wanted to import these data into a dist object to, let's say, do 'plot(hclust(v))'.

My first naīve approach was to scan the text file in order to get a vector v. Then I did:

class(v) <- "dist"
attr(v, "Size") <- 4

But, of course, I got this:

1
2 4
3 5 6

I wonder if there's an elegant way to do it. The only way I know of is very very stony one.

I'd be very appreciated for any hint.

Cheers,

--Hans



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