def max_dist(som):
"""calculate maximum distance between code vectors"""
max_distance = 0
for q in som.nodes:
for i in som.nodes:
d = SOM.vector_distance(q.weights, i.weights)
if d > max_distance:
max_distance = d
return max_distance
def max_dist(som):
"""calculate maximum distance between code vectors"""
max_distance = 0
for q in som.nodes:
for i in som.nodes:
d = SOM.vector_distance(q.weights, i.weights)
if d > max_distance:
max_distance = d
return max_distance
def normalized_distance(n1, n2, max_dist):
return SOM.vector_distance(n1.weights, n2.weights) * MAX_NORMALIZED_DISTANCE / max_dist
def normalized_distance(n1, n2, max_dist):
return SOM.vector_distance(n1.weights,
n2.weights) * MAX_NORMALIZED_DISTANCE / max_dist
