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I'm trying to learn graphical analysis in a biological setting.

The online course suggested using the Go Programming language, so I'm new to it and help to understand why the number of edges that I read from the following code is different than from the site I'm downloading it from.

import (
    "fmt"
    "log"

    "github.com/kortschak/graphprac"
)

infile := "YeastL.dot"
g, err := graphprac.NewGraph(infile)
if err != nil {
    log.Fatalf("failed to read graph: %v", err)
}
{
    fmt.Printf("G has %d nodes and %d edges.\n", g.Nodes().Len(), g.Edges().Len())
}

The output I'm getting is: G has 2361 nodes and 6646 edges.

But from the website http://vlado.fmf.uni-lj.si/pub/networks/data/bio/Yeast/Yeast.htm it's suppose to read 7182 edges.

Thanks!

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1 Answer 1

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the dot file in the Git repo has 6646 edges, the pajek file in your link has 7182.

Chances are the latter has been updated since.

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1
  • $\begingroup$ Thats a good point @Rohit you need to contact the authors directly specifically whether an update has occurred $\endgroup$
    – M__
    Oct 29, 2020 at 1:47

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