Class: PivotOperation

URI: [linkmlmap:PivotOperation](https://w3id.org/linkml/transformer/PivotOperation)

 classDiagram
    class PivotOperation
    click PivotOperation href "../PivotOperation/"
      TransformationOperation <|-- PivotOperation
        click TransformationOperation href "../TransformationOperation/"

      PivotOperation : direction





        PivotOperation --> "1" PivotDirectionType : direction
        click PivotDirectionType href "../PivotDirectionType/"



      PivotOperation : id_slots

      PivotOperation : slot_name_template

      PivotOperation : source_slots

      PivotOperation : unit_slot

      PivotOperation : unmelt_to_class

      PivotOperation : unmelt_to_slots

      PivotOperation : value_slot

      PivotOperation : variable_slot

## Inheritance * [TransformationOperation](TransformationOperation.md) * **PivotOperation** ## Slots | Name | Cardinality and Range | Description | Inheritance | | --- | --- | --- | --- | | [direction](direction.md) | 1
[PivotDirectionType](PivotDirectionType.md) | | direct | | [variable_slot](variable_slot.md) | 0..1
[SlotReference](SlotReference.md) | Slot to use for the variable column in the melted/long representation | direct | | [value_slot](value_slot.md) | 0..1
[SlotReference](SlotReference.md) | Slot to use for the value column in the melted/long representation | direct | | [unmelt_to_class](unmelt_to_class.md) | 0..1
[ClassReference](ClassReference.md) | In an unmelt operation, attributes (which are values in the long/melted/EAV r... | direct | | [unmelt_to_slots](unmelt_to_slots.md) | *
[SlotReference](SlotReference.md) | | direct | | [unit_slot](unit_slot.md) | 0..1
[SlotReference](SlotReference.md) | Optional slot containing unit information for {variable}_{unit} naming | direct | | [slot_name_template](slot_name_template.md) | 0..1
[String](String.md) | Template for generating target slot names | direct | | [source_slots](source_slots.md) | *
[SlotReference](SlotReference.md) | For MELT, the list of wide-format slots to melt | direct | | [id_slots](id_slots.md) | *
[SlotReference](SlotReference.md) | Slots that identify the entity (not pivoted) | direct | ## Usages | used by | used in | type | used | | --- | --- | --- | --- | | [ClassDerivation](ClassDerivation.md) | [pivot_operation](pivot_operation.md) | range | [PivotOperation](PivotOperation.md) | | [SlotDerivation](SlotDerivation.md) | [pivot_operation](pivot_operation.md) | range | [PivotOperation](PivotOperation.md) | ## Aliases * melt/unmelt * reification/dereification ## Identifier and Mapping Information ### Schema Source * from schema: https://w3id.org/linkml/transformer ## Mappings | Mapping Type | Mapped Value | | --- | --- | | self | linkmlmap:PivotOperation | | native | linkmlmap:PivotOperation | ## LinkML Source ### Direct

name: PivotOperation
from_schema: https://w3id.org/linkml/transformer
aliases:
- melt/unmelt
- reification/dereification
is_a: TransformationOperation
attributes:
  direction:
    name: direction
    from_schema: https://w3id.org/linkml/transformer
    rank: 1000
    domain_of:
    - PivotOperation
    range: PivotDirectionType
    required: true
  variable_slot:
    name: variable_slot
    description: Slot to use for the variable column in the melted/long representation.
      In EAV this is the name of the 'A' variable
    from_schema: https://w3id.org/linkml/transformer
    aliases:
    - var_name
    rank: 1000
    ifabsent: string(variable)
    domain_of:
    - PivotOperation
    range: SlotReference
  value_slot:
    name: value_slot
    description: Slot to use for the value column in the melted/long representation.
      In EAV this is the name of the 'V' variable
    from_schema: https://w3id.org/linkml/transformer
    aliases:
    - value_name
    rank: 1000
    ifabsent: string(value)
    domain_of:
    - PivotOperation
    range: SlotReference
  unmelt_to_class:
    name: unmelt_to_class
    description: In an unmelt operation, attributes (which are values in the long/melted/EAV
      representation) must conform to valid attributes in this class
    from_schema: https://w3id.org/linkml/transformer
    rank: 1000
    domain_of:
    - PivotOperation
    range: ClassReference
  unmelt_to_slots:
    name: unmelt_to_slots
    from_schema: https://w3id.org/linkml/transformer
    rank: 1000
    domain_of:
    - PivotOperation
    range: SlotReference
    multivalued: true
  unit_slot:
    name: unit_slot
    description: Optional slot containing unit information for {variable}_{unit} naming
    from_schema: https://w3id.org/linkml/transformer
    rank: 1000
    domain_of:
    - PivotOperation
    range: SlotReference
  slot_name_template:
    name: slot_name_template
    description: Template for generating target slot names. Supports {variable} and
      {unit}.
    from_schema: https://w3id.org/linkml/transformer
    rank: 1000
    ifabsent: string({variable})
    domain_of:
    - PivotOperation
    range: string
  source_slots:
    name: source_slots
    description: For MELT, the list of wide-format slots to melt
    from_schema: https://w3id.org/linkml/transformer
    rank: 1000
    domain_of:
    - PivotOperation
    range: SlotReference
    multivalued: true
  id_slots:
    name: id_slots
    description: Slots that identify the entity (not pivoted)
    from_schema: https://w3id.org/linkml/transformer
    rank: 1000
    domain_of:
    - PivotOperation
    range: SlotReference
    multivalued: true

### Induced

name: PivotOperation
from_schema: https://w3id.org/linkml/transformer
aliases:
- melt/unmelt
- reification/dereification
is_a: TransformationOperation
attributes:
  direction:
    name: direction
    from_schema: https://w3id.org/linkml/transformer
    rank: 1000
    owner: PivotOperation
    domain_of:
    - PivotOperation
    range: PivotDirectionType
    required: true
  variable_slot:
    name: variable_slot
    description: Slot to use for the variable column in the melted/long representation.
      In EAV this is the name of the 'A' variable
    from_schema: https://w3id.org/linkml/transformer
    aliases:
    - var_name
    rank: 1000
    ifabsent: string(variable)
    owner: PivotOperation
    domain_of:
    - PivotOperation
    range: SlotReference
  value_slot:
    name: value_slot
    description: Slot to use for the value column in the melted/long representation.
      In EAV this is the name of the 'V' variable
    from_schema: https://w3id.org/linkml/transformer
    aliases:
    - value_name
    rank: 1000
    ifabsent: string(value)
    owner: PivotOperation
    domain_of:
    - PivotOperation
    range: SlotReference
  unmelt_to_class:
    name: unmelt_to_class
    description: In an unmelt operation, attributes (which are values in the long/melted/EAV
      representation) must conform to valid attributes in this class
    from_schema: https://w3id.org/linkml/transformer
    rank: 1000
    owner: PivotOperation
    domain_of:
    - PivotOperation
    range: ClassReference
  unmelt_to_slots:
    name: unmelt_to_slots
    from_schema: https://w3id.org/linkml/transformer
    rank: 1000
    owner: PivotOperation
    domain_of:
    - PivotOperation
    range: SlotReference
    multivalued: true
  unit_slot:
    name: unit_slot
    description: Optional slot containing unit information for {variable}_{unit} naming
    from_schema: https://w3id.org/linkml/transformer
    rank: 1000
    owner: PivotOperation
    domain_of:
    - PivotOperation
    range: SlotReference
  slot_name_template:
    name: slot_name_template
    description: Template for generating target slot names. Supports {variable} and
      {unit}.
    from_schema: https://w3id.org/linkml/transformer
    rank: 1000
    ifabsent: string({variable})
    owner: PivotOperation
    domain_of:
    - PivotOperation
    range: string
  source_slots:
    name: source_slots
    description: For MELT, the list of wide-format slots to melt
    from_schema: https://w3id.org/linkml/transformer
    rank: 1000
    owner: PivotOperation
    domain_of:
    - PivotOperation
    range: SlotReference
    multivalued: true
  id_slots:
    name: id_slots
    description: Slots that identify the entity (not pivoted)
    from_schema: https://w3id.org/linkml/transformer
    rank: 1000
    owner: PivotOperation
    domain_of:
    - PivotOperation
    range: SlotReference
    multivalued: true