I have output from a program which produces a distance matrix I want to
read into a clustering program in R.

 

The output is a .txt file and is 'almost' lower triangular in the sense
that it is just the triangle below the diagonal.

 

So for example a 4-by-4 distance matrix appears as,

 

1

2 3

4 5 6

 

i.e. it looks like a lower triangular of a 3-by3.

 

I thought I might be able to use "diag" to add zeros but apparently not.

 

It's a problem because my matrix is actually 1989-by-1989 not 4-by-4

 

I would not be at all surprised if the solution is obvious but I cannot
quite see how to read this into R.

 

Michael Anyadike-Danes

Economic Research Institute of Northern Ireland

 

 


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