G. tumidia Plankton figures

Proportional Walks as a Model for Sequential Data; (figures)
The Globorotalia tumidia Lineage Revisited

Flow structures, dynamic acceleration and decelleration, found in a 6 million year record of plankton fossil evolution.

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fig1a

1a. Derivative interpolation to find points that construct a smooth curve,

1b. Threading inflection points to identify an underlying curve,

2. The data collected by B. Malmgren from an Indian ocean deep sea core.

3. Distribution and normality tests,

4. Distribution of plankton size to variation in size,

5. Polynomial fit to sequence of within-sample standard deviations,

6. The first level DR mean of plankton size

7. The first and second level DR means of plankton size

8. The DR mean implied by the series of within-sample standard deviations.

9. Comparing the means constructed by the four methods of interpretation, and ocean temperature

10. Comparing the derivatives of the three methods of interpretation.

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Proportional Walks as a Model for Sequential Data; (figures) The Globorotalia tumidia Lineage Revisited

Proportional Walks as a Model for Sequential Data; (figures)
The Globorotalia tumidia Lineage Revisited