Description Usage Arguments Value Examples
Generate undirected networks (weighted or unweighted, connected or disconnected) characterising the physical attributes and spatial organizations (or distributions) of habitat components (i.e. habitat configurations).
1 2 
N 
The number of nodes 
L 
A side length of the rectangle landscape within which nodes are anchored 
mu 
the critical 
lamda 
the steepness of the link removing probability curve 
Connected 

Weighted 

eta 
mediates the weight, i.e. 
A 
The area of the rectangle landscape within which the network is defined 
X 
A vector of 
Y 
A vector of 
U 
A vector with 
V 
A vector with 
Return an animal habitat network (an igraph
object)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16  # generate a connected and weighted network
ahn_gen(N = 10, L = 5, mu = 1, lamda = 5)
N < 10
x < runif(N, 0, 5)
ql < sample(LETTERS, N, replace = TRUE)
qn < sample(1:20, N, replace = TRUE)
# specify the X coordinates, node attributes U and V for a connected and unweighted network
ahn_gen(N, L = 5, mu = 1, lamda = 5, Weighted = FALSE, X = x, U = ql, V = qn)
# specify the Y coordinates, node attributes U and V for a weighted network, no matter if the
# network will be connected or not
ahn_gen(N, L = 5, mu = 1, lamda = 5, Weighted = TRUE, Connected = FALSE, Y = x, U = ql, V = qn)

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