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. Author manuscript; available in PMC: 2015 Sep 1.
Published in final edited form as: J Appl Stat. 2014 Apr 16;41(9):2028–2043. doi: 10.1080/02664763.2014.907394

Table 5.

Statistic J scaled by the number of deaths for the tests performed on the Foraminifera database

Group Scheme 1 Group Scheme 2 (Euc) Random K-means
Test Statistics Stat 1 Stat 2 Stat 1 Stat 2 Stat 1 Stat 2 Stat 3
J/m 0.38 2.21 0.41 2.90 0.28 1.93 0.11
Extinctions 187 209 190 194 221