How Igraph handle weights?

Question

Good day to everyone.

I have a really simple question that I wasn\'t able to find an answer, because of lack of terminology I am afraid. In r\'s package igraph how are c

Answer 1

If you have a look at the official documentation in the R igraph package - https://igraph.org/r/doc/strength.html

you will find that weights are referred to as:

"Weight vector. If the graph has a weight edge attribute, then this is used by default. If the graph does not have a weight edge attribute and this argument is NULL, then a warning is given and degree is called."

But also:

https://igraph.org/r/doc/edge_attr.html

explains that the edges are given as a weight attribute