Class: Statistic

A test statistic and its degrees of freedom. Statistic values -- peak magnitudes, p-values, cluster extents -- belong to the reported coordinates.

URI: neurostudy:Statistic

 classDiagram
    class Statistic
    click Statistic href "../Statistic/"
      Statistic : degrees_of_freedom_denominator

      Statistic : degrees_of_freedom_numerator

      Statistic : family

Slots

Name	Cardinality and Range	Description	Inheritance
family	1 String or  StatisticFamily	The statistic used, independent of the thresholding procedure	direct
degrees_of_freedom_numerator	0..1 Float	Numerator degrees of freedom, normally populated only for f and likelihood_ra...	direct
degrees_of_freedom_denominator	0..1 Float	Denominator degrees of freedom, used alone for t, correlation, and chi_square	direct

Usages

used by	used in	type	used
Effect	statistic	range	Statistic

Identifier and Mapping Information

Schema Source

• from schema: https://neurostuff.org/schemas/neuroimaging-study-storage

Mappings

Mapping Type	Mapped Value
self	neurostudy:Statistic
native	neurostudy:Statistic

LinkML Source

Direct

name: Statistic
description: A test statistic and its degrees of freedom. Statistic values -- peak
  magnitudes, p-values, cluster extents -- belong to the reported coordinates.
from_schema: https://neurostuff.org/schemas/neuroimaging-study-storage
rank: 1000
attributes:
  family:
    name: family
    description: The statistic used, independent of the thresholding procedure. A
      t-test corrected by permutation is still a `t`.
    in_subset:
    - mvp
    - model_extracted
    from_schema: https://neurostuff.org/schemas/neuroimaging-study-storage/analysis
    rank: 1000
    domain_of:
    - Statistic
    - Measure
    required: true
    any_of:
    - range: StatisticFamily
    - range: string
  degrees_of_freedom_numerator:
    name: degrees_of_freedom_numerator
    description: Numerator degrees of freedom, normally populated only for f and likelihood_ratio.
      A single-degree-of-freedom statistic leaves this unset, since t(151) is F(1,151).
    in_subset:
    - mvp
    - model_extracted
    from_schema: https://neurostuff.org/schemas/neuroimaging-study-storage/analysis
    rank: 1000
    domain_of:
    - Statistic
    range: float
    minimum_value: 0
  degrees_of_freedom_denominator:
    name: degrees_of_freedom_denominator
    description: Denominator degrees of freedom, used alone for t, correlation, and
      chi_square. Both are unset for z. Float, so corrected degrees of freedom such
      as a Greenhouse-Geisser adjustment can be recorded as reported.
    in_subset:
    - mvp
    - model_extracted
    from_schema: https://neurostuff.org/schemas/neuroimaging-study-storage/analysis
    rank: 1000
    domain_of:
    - Statistic
    range: float
    minimum_value: 0

Induced

name: Statistic
description: A test statistic and its degrees of freedom. Statistic values -- peak
  magnitudes, p-values, cluster extents -- belong to the reported coordinates.
from_schema: https://neurostuff.org/schemas/neuroimaging-study-storage
rank: 1000
attributes:
  family:
    name: family
    description: The statistic used, independent of the thresholding procedure. A
      t-test corrected by permutation is still a `t`.
    in_subset:
    - mvp
    - model_extracted
    from_schema: https://neurostuff.org/schemas/neuroimaging-study-storage/analysis
    rank: 1000
    owner: Statistic
    domain_of:
    - Statistic
    - Measure
    range: string
    required: true
    any_of:
    - range: StatisticFamily
    - range: string
  degrees_of_freedom_numerator:
    name: degrees_of_freedom_numerator
    description: Numerator degrees of freedom, normally populated only for f and likelihood_ratio.
      A single-degree-of-freedom statistic leaves this unset, since t(151) is F(1,151).
    in_subset:
    - mvp
    - model_extracted
    from_schema: https://neurostuff.org/schemas/neuroimaging-study-storage/analysis
    rank: 1000
    owner: Statistic
    domain_of:
    - Statistic
    range: float
    minimum_value: 0
  degrees_of_freedom_denominator:
    name: degrees_of_freedom_denominator
    description: Denominator degrees of freedom, used alone for t, correlation, and
      chi_square. Both are unset for z. Float, so corrected degrees of freedom such
      as a Greenhouse-Geisser adjustment can be recorded as reported.
    in_subset:
    - mvp
    - model_extracted
    from_schema: https://neurostuff.org/schemas/neuroimaging-study-storage/analysis
    rank: 1000
    owner: Statistic
    domain_of:
    - Statistic
    range: float
    minimum_value: 0