Skip to main content
LOOKER-STUDIO5 MIN READ

Blends Need A Grain Contract

Define grain and join keys before blending Looker Studio data sources.

MECE grain contracts MECE is not just for consulting slides. It is a practical safeguard for Looker Studio joins. When every row belongs to one and only one bucket at the chosen grain, aggregations behave. When the grain is vague, SUM and COUNT can look authoritative while quietly duplicating facts. Mechanism. In Looker Studio, dashboard quality is rarely a single chart choice. It is a chain: source fields define what is possible, transformations define what is trustworthy, and layout defines what a stakeholder can decide in the first minute. MECE grain contracts helps because it forces the builder to separate…

Read the full lesson

Sign up free — one personalized lesson every day, matched to your role and goals.

Already have an account? Sign in

← Back to library
Contact us