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Class: Variable

Semantic definition of a measured environmental variable. Extends bertron Attribute with structured variable metadata (expression basis). Defined once per variable and referenced by Measurements.

URI: wss_test:Variable

 classDiagram
    class Variable
    click Variable href "../Variable/"
      Attribute <|-- Variable
        click Attribute href "../Attribute/"

      Variable : default_unit

      Variable : expression_basis

      Variable : id

      Variable : label

      Variable : missing_value_code

Inheritance

Slots

Name Cardinality and Range Description Inheritance
expression_basis 0..1
String
The chemical expression basis (e direct
default_unit 0..1
String
Default unit for this variable, ideally as a Unit Ontology CURIE direct
missing_value_code 0..1
Integer
The sentinel value used to represent missing data for this variable direct
id 1
String
Canonical identifier for this variable (e Attribute
label 1
String
Text string to describe the attribute Attribute

Usages

used by used in type used
Dataset variables range Variable
Measurement attribute range Variable

Identifier and Mapping Information

Schema Source

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

Mappings

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

LinkML Source

Direct

name: Variable
description: Semantic definition of a measured environmental variable. Extends bertron
  Attribute with structured variable metadata (expression basis).  Defined once per
  variable and referenced by Measurements.
from_schema: https://w3id.org/sierra-moxon/wss-test
is_a: Attribute
slots:
- expression_basis
- default_unit
- missing_value_code
slot_usage:
  id:
    name: id
    description: Canonical identifier for this variable (e.g. carbon_dissolved_organic).
    identifier: true
    required: true

Induced

name: Variable
description: Semantic definition of a measured environmental variable. Extends bertron
  Attribute with structured variable metadata (expression basis).  Defined once per
  variable and referenced by Measurements.
from_schema: https://w3id.org/sierra-moxon/wss-test
is_a: Attribute
slot_usage:
  id:
    name: id
    description: Canonical identifier for this variable (e.g. carbon_dissolved_organic).
    identifier: true
    required: true
attributes:
  expression_basis:
    name: expression_basis
    description: The chemical expression basis (e.g. as dissolved carbon).
    from_schema: https://w3id.org/sierra-moxon/wss-test
    rank: 1000
    alias: expression_basis
    owner: Variable
    domain_of:
    - Variable
    range: string
  default_unit:
    name: default_unit
    description: Default unit for this variable, ideally as a Unit Ontology CURIE.
    from_schema: https://w3id.org/sierra-moxon/wss-test
    rank: 1000
    alias: default_unit
    owner: Variable
    domain_of:
    - Variable
    range: string
  missing_value_code:
    name: missing_value_code
    description: The sentinel value used to represent missing data for this variable.
    from_schema: https://w3id.org/sierra-moxon/wss-test
    rank: 1000
    alias: missing_value_code
    owner: Variable
    domain_of:
    - Variable
    range: integer
  id:
    name: id
    description: Canonical identifier for this variable (e.g. carbon_dissolved_organic).
    from_schema: https://w3id.org/sierra-moxon/wss-test
    rank: 1000
    identifier: true
    alias: id
    owner: Variable
    domain_of:
    - Dataset
    - Sample
    - Attribute
    range: string
    required: true
  label:
    name: label
    description: Text string to describe the attribute.
    from_schema: https://w3id.org/sierra-moxon/wss-test
    aliases:
    - title
    rank: 1000
    alias: label
    owner: Variable
    domain_of:
    - Attribute
    range: string
    required: true