Slot: interaction_with¶
The other terms this term is a product of -- what makes this column an interaction column. Populate it when the source names an interaction term in one model; leave it empty when the source describes a regression on a contrast.
The terms it may name are those of this model and of the stages it reaches through inputs_from, which is how a group stage crosses a cohort factor with a first-level condition: the product column is declared where it was fitted and names the lower stage's column directly.
A crossing of two factors is normally read off the cells, since a factor compared against itself carries a positive cell and a negative one. A continuous term has no levels and so cannot be crossed that way, which makes this slot the only record of a moderation such as age x group; the derived kind reads it before variation_level.
A product of terms that are all categorical and all crossed is legal but decides nothing, the crossed cells already saying what it says, and is flagged for review.
A product column declares no levels of its own; a signed cell on one with a continuous component may name a level of the factor, saying whose slope the sign describes. Such a column is not a covariate of a contrast whose cells name all of its components.
URI: neurostudy_ex:interaction_with
Applicable Classes¶
| Name | Description | Modifies Slot |
|---|---|---|
| ModelTerm | One term of the model: a column of the design matrix, or the equivalent predi... | no |
Properties¶
Type and Range¶
| Property | Value |
|---|---|
| Range | ModelTerm |
| Domain Of | ModelTerm |
| ### Cardinality and Requirements |
| Property | Value |
|---|---|
| Multivalued | Yes |
Slot Characteristics¶
| Property | Value |
|---|---|
| Owner | ModelTerm |
Identifier and Mapping Information¶
Schema Source¶
- from schema: https://neurostuff.org/schemas/neuroimaging-study-extraction
Mappings¶
| Mapping Type | Mapped Value |
|---|---|
| self | neurostudy_ex:interaction_with |
| native | neurostudy_ex:interaction_with |
LinkML Source¶
name: interaction_with
description: 'The other terms this term is a product of -- what makes this column
an interaction column. Populate it when the source names an interaction term in
one model; leave it empty when the source describes a regression on a contrast.
The terms it may name are those of this model and of the stages it reaches through
`inputs_from`, which is how a group stage crosses a cohort factor with a first-level
condition: the product column is declared where it was fitted and names the lower
stage''s column directly.
A crossing of two factors is normally read off the cells, since a factor compared
against itself carries a positive cell and a negative one. A continuous term has
no levels and so cannot be crossed that way, which makes this slot the only record
of a moderation such as `age x group`; the derived kind reads it before `variation_level`.
A product of terms that are all categorical and all crossed is legal but decides
nothing, the crossed cells already saying what it says, and is flagged for review.
A product column declares no `levels` of its own; a signed cell on one with a continuous
component may name a level of the factor, saying whose slope the sign describes.
Such a column is not a covariate of a contrast whose cells name all of its components.'
from_schema: https://neurostuff.org/schemas/neuroimaging-study-extraction
rank: 1000
owner: ModelTerm
domain_of:
- ModelTerm
range: ModelTerm
multivalued: true
inlined: false