Marketing mix models get weekly refresh cycles
Advertisers using open-source mix modelling tools now refresh models weekly instead of quarterly, shortening the gap between spending and insight.
Why weekly
Faster data pipelines and cheaper cloud compute have removed the main bottleneck. Weekly models let planners reallocate spend within the same campaign flight.
Caveats
Statisticians warn that short windows amplify noise, especially for brands with small budgets. Most teams combine weekly updates with quarterly calibration against lift tests.
Clean-room data often feeds these models, see Clean rooms move from pilots to always-on measurement.
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