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Table 1 Transmitted information results. In the first column, the transmitted information h ˜ , averaged over all 183 cells, is given for clustering to the central response (central) and to the medoid response (medoid). For comparison, the transmitted information is also shown for classification methods which involve all the spike times; the clustering to all the other responses using the z=−2 weighted average distance (all z=−2), the clustering to all using the unweighted average distance (all z=1) and clustering to the function average (function). The second column gives the fraction of cells for which h ˜ for the other four clustering methods is larger than h ˜ for the central clustering. The third column shows the average relative value calculated for each method by dividing the transmitted information for each cell by the transmitted information using the central spike train and averaging, the figure after the ± is the one-sigma variation in this number

From: A Simple Algorithm for Averaging Spike Trains

 

h ˜

Better than central

Relative to central

Central

0.60

n/a

n/a

Medoid

0.41

0.02

0.70 ± 0.15

All z = −2

0.56

0.16

0.93 ± 0.07

All z = 1

0.52

0.08

0.84 ± 0.12

Function

0.62

0.80

1.05 ± 0.07