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(2-F3BK
P = Probability that there is no link from X to y N = Number of Units in a "Layer" B = Number of Randomly Outgoing Branches/Unit & VN F = B/N (Branching Factor) K = Number of Intermediate Levels (2 in diagram above)
for B = 1000; different numbers of levels and units
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N=
K=
106
107
108
0
.999
.9999
.99999
1
.367
.905
.989
2
10-440
10-44
10-5
Figure 14: Making a connection.