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Stepwise Discriminant Analysis Store Options

Use this to specify the results to be saved from a stepwise discriminant analysis in Genstat data structures.

  1. After selecting the appropriate boxes, you need to type the names for the identifiers of the data structures into the corresponding In: fields.


Selected model Pointer A pointer to the variates in the selected model (including initial terms)
Allocations to groups Factor Allocations of the units in the training set to groups
Steps in criterion from adding terms Pointers The criterion value for adding each term at each step of selecting the model. The values in each variate will be a missing value if that term has already been added to the model.
Unit scores for final model Pointer or matrix Of scores for units from the final selected model
Estimated error rate from model steps Scalars Estimated error rate (proportion of the units that were incorrectly allocated) for each step in selecting the model
Estimated specificity from model steps Tables Estimated specificity (proportion of the group that were correctly allocated) for each step in selecting the model
Loadings, roots and trace lrv Latent roots and vectors from the discriminant analysis for the selected model

Display in spreadsheet

The saved results will be displayed within a new spreadsheet. Note, an LRV structure will have its component parts displayed in three separate spreadsheets.

See also

Updated on April 25, 2019

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