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Slot: Buffer Aggregation Method (linkage_buffer_aggregation_method)

Aggregation method applied within the buffer (mean / max / median / area-weighted mean).

Tier: conditionally_core

Why this slot matters

Within the same buffer, mean, max, and area-weighted mean yield different exposure values; omitting the method makes the assigned value irreproducible and cross-study comparisons unsafe.

In plain terms

If several map values fall inside the circle around a home, they must be boiled down to one number. This records how — for example by taking the average, or the highest value.

URI: envar:slot/linkage_buffer_aggregation_method

Applicable Classes

Name Description Modifies Slot
LinkageMethod How a gridded environmental value gets attached to a patient: the resolution ... no

Properties

Type and Range

Property Value
Range BufferAggregationEnum
Domain Of LinkageMethod

Cardinality and Requirements

Property Value

Examples

Value
area_weighted_mean

Identifier and Mapping Information

Annotations

property value
tier conditionally_core
justification Within the same buffer, mean, max, and area-weighted mean yield different exposure values; omitting the method makes the assigned value irreproducible and cross-study comparisons unsafe.
explanation If several map values fall inside the circle around a home, they must be boiled down to one number. This records how — for example by taking the average, or the highest value.

Schema Source

Mappings

Mapping Type Mapped Value
self envar:linkage_buffer_aggregation_method
native envar:linkage_buffer_aggregation_method

LinkML Source

name: linkage_buffer_aggregation_method
annotations:
  tier:
    tag: tier
    value: conditionally_core
  justification:
    tag: justification
    value: Within the same buffer, mean, max, and area-weighted mean yield different
      exposure values; omitting the method makes the assigned value irreproducible
      and cross-study comparisons unsafe.
  explanation:
    tag: explanation
    value: If several map values fall inside the circle around a home, they must be
      boiled down to one number. This records how — for example by taking the average,
      or the highest value.
description: Aggregation method applied within the buffer (mean / max / median / area-weighted
  mean).
title: Buffer Aggregation Method
examples:
- value: area_weighted_mean
  description: area-weighted mean over the aggregation area (ACAG PM2.5 scenario)
from_schema: https://w3id.org/linkml/microschemas/envar
rank: 1000
domain_of:
- LinkageMethod
range: BufferAggregationEnum