Expected value of the number of times a fixed point cluster is found
A rough approximation of the expectation of the number of times a well
separated fixed point
cluster (FPC) of size
n is found in
ir fixed point
clusexpect(n, p, cn, ir)
positive integer. Total number of points.
positive integer. Number of independent variables.
positive integer smaller or equal to
positive integer. Number of fixed point iterations.
The approximation is based on the assumption that a well separated FPC
is found iff all
p+2 points of the initial coinfiguration come
from the FPC. The value is
ir times the probability for
this. For a discussion of this assumption cf. Hennig (2002).
Hennig, C. (2002) Fixed point clusters for linear regression: computation and comparison, Journal of Classification 19, 249-276.
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