Professional Services Quality Metrics Leading

Reference-ability

Reference-ability: Percentage of completed projects that become referenceable.

Formula

Reference-ability = Referenceable projects / Completed projects × 100

Computable definition

The canonical formula in the GASP formula grammar. The MCP server compiles it to SQL over the datasets listed below.

count_distinct(field.project_id where in_period(field.project_completion_date) and field.referenceable = true) / count_distinct(field.project_id where in_period(field.project_completion_date))

Unit: percent (the formula yields an unscaled ratio)

Data requirements

Grain: Per event · Frequency: Per milestone · Aggregation: event · Staged: no · Main source: PSA.

Field	Dataset	Type
`project_completion_date`	project	date
`project_id`	project	string
`referenceable`	project	boolean
`snapshot_date`	project	date

Example SQL (Postgres)

SELECT (CAST((SELECT COUNT(DISTINCT project_id) FROM project WHERE snapshot_date = :period_end AND ((project_completion_date >= :period_start AND project_completion_date <= :period_end) AND referenceable = TRUE)) AS DOUBLE PRECISION) / NULLIF((SELECT COUNT(DISTINCT project_id) FROM project WHERE snapshot_date = :period_end AND (project_completion_date >= :period_start AND project_completion_date <= :period_end)), 0)) AS reference_ability

From an agent: with the GASP MCP server, call lookup_metric({ "name": "Reference-ability" }) or generate_query({ "metric": "Reference-ability", "adapter": "<your adapter JSON>" }).

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