Coke and Sprite, Batman and Catwoman, Abercrombie and Hollister. Two similar ways of addressing a need, each with its own twist. In the Nielsen/IRI world, that duo is Store Data and Panel Data. Store data is your basic, bread and butter sales tracking tool. It is gathered from retailers through their scanner/POS systems. It’s the […]
panel data
Static Panel aka Longitudinal Panel
In the context of household panel data, a static panel is a subset of the total panelists registered. To be included in the static panel, a panelist must meet criteria around: Length of time in panel Consistency of reporting, typically measured by number and frequency of transactions reported The length of time requirement will usually […]