Converts a network object to the extended format of Allesina and
Bondavalli (2003).
Usage
as.extended(x, zero.na = TRUE)
Arguments
x
A network object.
zero.na
Logical: should NA's be replaced with zeros?
Value
Returns an extended format matrix.
Details
Used in the balance function.
References
Allesina, S., Bondavalli, C., 2003. Steady state of ecosystem flow
networks: a comparison between balancing procedures.Ecological Modelling 165(2-3):231-239.