New in: | Modified in: | Obsolete in:
1.0
1.2.4
Wolfram Language Paclet Repository
Community-contributed installable additions to the Wolfram Language
Categorization
Keywords
Syntax Templates
NestedGrouping
NestedGrouping[g1,g2,...]
forms an ordered composite level from two or more grouping variables.
constructs an explicit composite grouping level.
NestedGrouping is inert until row values are substituted.
To model classrooms nested within schools, include a school random structure and a NestedGrouping[school,classroom] structure.
Argument order is significant and every constituent value must be supplied during prediction.
NestedGrouping has no options.
See Also
MixedEffectsModelFit
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GeneralizedMixedEffectsModelFit
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NonlinearMixedEffectsModelFit
Related Guides
MMA MixedEffects
Related Links
MixedEffectsModelFit
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NonlinearMixedEffectsModelFit
Examples Initialization
Needs["MarcoThiel`MMAMixedEffects`"];
Examples | MoreExamples⊳ |
Represent subjects nested within sites explicitly:
NestedGrouping[site,subject]
NestedGrouping[Site 1,Subject A]
Visualize the hierarchy represented by the composite keys:
More Examples
Scope
Inspect composite levels:
fit["GroupLevelsByFactor"]
NestedGrouping[siteValue,subjectValue] keys.
Properties & Relations
Crossed factors use the factor directly rather than NestedGrouping:
MixedEffectsModelFit[data,{1,x},{{{1},subject},{{1},item}},{x,subject,item}]
Crossed subject and item effects.