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Class: Measurement

A single measured value for a variable on a sample, with full provenance including method, QC flags, timestamps, and aggregation metadata. Extends bertron QuantityValue with measurement-specific context.

URI: wss_test:Measurement

 classDiagram
    class Measurement
    click Measurement href "../Measurement/"
      QuantityValue <|-- Measurement
        click QuantityValue href "../QuantityValue/"

      Measurement : attribute





        Measurement --> "1" Variable : attribute
        click Variable href "../Variable/"



      Measurement : datetime_measured

      Measurement : flag

      Measurement : method_id

      Measurement : notes

      Measurement : numeric_value

      Measurement : raw_value

      Measurement : reported_precision

      Measurement : statistic

      Measurement : temporal_aggregation

      Measurement : unit

      Measurement : unit_cv_id

Inheritance

Slots

Name Cardinality and Range Description Inheritance
method_id 0..1
String
Identifier for the analytical method used to produce the measurement direct
flag 0..1
String
Quality assurance flag associated with the measurement direct
datetime_measured 0..1
Datetime
Date and time when the measurement was taken direct
statistic 0..1
String
The summary statistic applied to the measurement, if any (e direct
temporal_aggregation 0..1
String
The time interval over which the statistic was aggregated (e direct
reported_precision 0..1
Float
The precision of the reported result value direct
notes 0..1
String
Free-text notes about the measurement direct
numeric_value 1
Float
The numerical part of a quantity value QuantityValue
unit 1
String
Unit of measurement, ideally as a Unit Ontology CURIE QuantityValue
unit_cv_id 0..1
Uriorcurie
The unit of the quantity, expressed as a CURIE from the Unit Ontology QuantityValue
attribute 1
Variable
The variable being measured, as a reference to a Variable definition AttributeValue
raw_value 0..1
String
The value that was specified for an annotation in raw form, i AttributeValue

Usages

used by used in type used
Sample measurements range Measurement

Identifier and Mapping Information

Schema Source

  • from schema: https://w3id.org/sierra-moxon/wss-test

Mappings

Mapping Type Mapped Value
self wss_test:Measurement
native wss_test:Measurement

LinkML Source

Direct

name: Measurement
description: A single measured value for a variable on a sample, with full provenance
  including method, QC flags, timestamps, and aggregation metadata.  Extends bertron
  QuantityValue with measurement-specific context.
from_schema: https://w3id.org/sierra-moxon/wss-test
is_a: QuantityValue
slots:
- method_id
- flag
- datetime_measured
- statistic
- temporal_aggregation
- reported_precision
- notes
slot_usage:
  attribute:
    name: attribute
    description: The variable being measured, as a reference to a Variable definition.
    range: Variable
  numeric_value:
    name: numeric_value
    aliases:
    - result_value
    required: true
  unit:
    name: unit
    required: true

Induced

name: Measurement
description: A single measured value for a variable on a sample, with full provenance
  including method, QC flags, timestamps, and aggregation metadata.  Extends bertron
  QuantityValue with measurement-specific context.
from_schema: https://w3id.org/sierra-moxon/wss-test
is_a: QuantityValue
slot_usage:
  attribute:
    name: attribute
    description: The variable being measured, as a reference to a Variable definition.
    range: Variable
  numeric_value:
    name: numeric_value
    aliases:
    - result_value
    required: true
  unit:
    name: unit
    required: true
attributes:
  method_id:
    name: method_id
    description: Identifier for the analytical method used to produce the measurement.
    from_schema: https://w3id.org/sierra-moxon/wss-test
    rank: 1000
    alias: method_id
    owner: Measurement
    domain_of:
    - Measurement
    range: string
  flag:
    name: flag
    description: Quality assurance flag associated with the measurement.
    from_schema: https://w3id.org/sierra-moxon/wss-test
    rank: 1000
    alias: flag
    owner: Measurement
    domain_of:
    - Measurement
    range: string
  datetime_measured:
    name: datetime_measured
    description: Date and time when the measurement was taken.
    from_schema: https://w3id.org/sierra-moxon/wss-test
    rank: 1000
    alias: datetime_measured
    owner: Measurement
    domain_of:
    - Measurement
    range: datetime
  statistic:
    name: statistic
    description: The summary statistic applied to the measurement, if any (e.g. mean,
      median).
    from_schema: https://w3id.org/sierra-moxon/wss-test
    rank: 1000
    alias: statistic
    owner: Measurement
    domain_of:
    - Measurement
    range: string
  temporal_aggregation:
    name: temporal_aggregation
    description: The time interval over which the statistic was aggregated (e.g. daily,
      15-min).
    from_schema: https://w3id.org/sierra-moxon/wss-test
    rank: 1000
    alias: temporal_aggregation
    owner: Measurement
    domain_of:
    - Measurement
    range: string
  reported_precision:
    name: reported_precision
    description: The precision of the reported result value.
    from_schema: https://w3id.org/sierra-moxon/wss-test
    rank: 1000
    alias: reported_precision
    owner: Measurement
    domain_of:
    - Measurement
    range: float
  notes:
    name: notes
    description: Free-text notes about the measurement.
    from_schema: https://w3id.org/sierra-moxon/wss-test
    rank: 1000
    alias: notes
    owner: Measurement
    domain_of:
    - Measurement
    range: string
  numeric_value:
    name: numeric_value
    description: The numerical part of a quantity value.
    from_schema: https://w3id.org/sierra-moxon/wss-test
    aliases:
    - result_value
    mappings:
    - nmdc:numeric_value
    - qud:quantityValue
    - schema:value
    - bertron:numeric_value
    rank: 1000
    alias: numeric_value
    owner: Measurement
    domain_of:
    - QuantityValue
    range: float
    required: true
  unit:
    name: unit
    description: Unit of measurement, ideally as a Unit Ontology CURIE.
    from_schema: https://w3id.org/sierra-moxon/wss-test
    mappings:
    - nmdc:unit
    - qud:unit
    - schema:unitCode
    - UO:0000000
    - bertron:unit
    rank: 1000
    alias: unit
    owner: Measurement
    domain_of:
    - QuantityValue
    range: string
    required: true
  unit_cv_id:
    name: unit_cv_id
    description: The unit of the quantity, expressed as a CURIE from the Unit Ontology.
    from_schema: https://w3id.org/sierra-moxon/wss-test
    mappings:
    - bertron:unit_cv_id
    rank: 1000
    alias: unit_cv_id
    owner: Measurement
    domain_of:
    - QuantityValue
    range: uriorcurie
  attribute:
    name: attribute
    description: The variable being measured, as a reference to a Variable definition.
    from_schema: https://w3id.org/sierra-moxon/wss-test
    mappings:
    - bertron:attribute
    rank: 1000
    alias: attribute
    owner: Measurement
    domain_of:
    - AttributeValue
    range: Variable
    required: true
  raw_value:
    name: raw_value
    description: The value that was specified for an annotation in raw form, i.e.
      a string. E.g. "2 cm" or "2-4 cm"
    from_schema: https://w3id.org/sierra-moxon/wss-test
    mappings:
    - nmdc:raw_value
    - bertron:raw_value
    rank: 1000
    alias: raw_value
    owner: Measurement
    domain_of:
    - AttributeValue
    range: string