forest.fire.game() was renamed to sample_forestfire() to create a more
consistent API.
Arguments
- nodes
The number of vertices in the graph.
- fw.prob
The forward burning probability, see details below.
- bw.factor
The backward burning ratio. The backward burning probability is calculated as
bw.factor*fw.prob.- ambs
The number of ambassador vertices.
- directed
Logical scalar, whether to create a directed graph.
