what is panel in a census which level of time can household variables be aggregated? what's the panel nature of the data what is the difference between a panel and a cluster what's the meaning of panel in economics what is the difference between panel and panel data why are household numbers different across a time series? why is a panel of data important why is the household a panel in a time series what's the difference between panel and cross section what is the difference between a panel and a cross-sectional time series how many states to draw household data how is household data clustered when is the household a panel what is the difference between household and state how is panel data different from household data which level is a panel versus a cross section how do we get the panel of household data what is the difference between a panel of household data and a cross sectional data set? what is the difference between a panel and a panel of household data?