Changes

The patterns, or ''factor plots'', displayed in principal component analysis represent groupings of species based on the similarity or dissimilarity of their distribution. These groupings may represent various environments and can be integrated with other geologic data to determine or evaluate specific paleoenvironmental zones or settings.

The patterns, or ''factor plots'', displayed in principal component analysis represent groupings of species based on the similarity or dissimilarity of their distribution. These groupings may represent various environments and can be integrated with other geologic data to determine or evaluate specific paleoenvironmental zones or settings.

==Discriminate analysis==

==Discriminant analysis==

In discriminate analysis, paleoenvironmental zones are established and then tested against known environmental models to check the level of reliability in recognizing these biofacies. The results indicate which biofacies are distinct and statistically recognizable. The biofacies so determined can be used to interpret the paleoenvironment of well sections, cores, or outcrop sections.

In discriminant analysis, paleoenvironmental zones are established and then tested against known environmental models to check the level of reliability in recognizing these biofacies. The results indicate which biofacies are distinct and statistically recognizable. The biofacies so determined can be used to interpret the paleoenvironment of well sections, cores, or outcrop sections.

==See also==

==See also==