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Swiss Journal of Palaeontology

Table 2 p-values for trying to reproduce patterns of preservation in one Lagerstätte based on the distribution of characters in the two other Lagerstätten for the four conditional probabilities

From: Variations in preservation of exceptional fossils within concretions

  

Using data from

  

Montceau-les-Mines

Herefordshire

Replicating values of Mazon Creek

P(E|A)

0.00410

< 0.00001

P(E|B)

0.18924

< 0.00001

P(E|C)

0.57162

< 0.00001

P(E|D)

< 0.00001

0.20100

  

Mazon Creek

Herefordshire

Replicating values of Montceau-les-Mines

P(E|A)

< 0.00001

0.19543

P(E|B)

0.62438

< 0.00001

P(E|C)

0.37326

< 0.00001

P(E|D)

< 0.00001

< 0.00001

  

Mazon Creek

Montceau-les-Mines

Replicating values of Hereforshire

P(E|A)

< 0.00001

0.49583

P(E|B)

< 0.00001

< 0.00001

P(E|C)

< 0.00001

< 0.00001

P(E|D)

0.10557

0.04701

  1. If p is < 0.05 this means that the conditional probabilities cannot be reproduced, and the difference is significant. If p is > 0.05, the conditional probabilities can be reproduced, and the difference is not significant. It is noted that P(E|A) for the Mazon Creek is significantly different from both Montceau-les-Mines and Herefordshire Lagerstätte. P(E|B) and P(E|C) are significantly different between the Herefordshire Lagerstätte on one hand and Montceau-les-Mines and Mazon Creek on the other hand. For P(E|D), the difference is significant between Montceau-les-Mines and the two other Lagerstätten
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