Category "adjacency-matrix"

Convert data frame into adjacency matrix format in R

My data looks like this: Sample_A Sample_B Value Rabbit Mouse 1.2 Mouse Tiger 7.89 Tiger Lion -0.9 Mouse Rabbit

Creating undirected weighted graph from adjancency matrix from a csv

I want to create undirected weighted graph of a given adjacency matrix by reading it from a csv. I can read it from a csv but I don't know how to draw its in gr