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Table 5.55. Diversity calculations for Anasazi site types.a |
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|---|---|---|---|---|---|---|---|---|---|
| Site Type | Diversityb | ||||||||
| Large structure | 0.8217 | ||||||||
| Chacoan structure | 0.6014 | ||||||||
| Great kiva | 0.6957 | ||||||||
| Small structure | 0.7840 | ||||||||
| Nonstructural | 0.7934 | ||||||||
| aData
for calculations from Table 5.42. bThe diversity of tool types was calculated using a formula from Zar (1974): fi=frequency of categories I (number of tools for each type in this case) k=number of categories (8 tool types) n=sample size (total number of tools recorded for a site group) This formula measures evenness. If all the tool categories had the same quantity of tools in them the J score would be 1.0. See Reid (1982) and Kintigh (1984) for a more complete description. |
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