New answers tagged stata
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Regression on individual vs collapsed data
Peter Hull's slides include a section on this, I guess taken from MHE, which argues that if the treatment varies only at the group-level, a weighted regression on means at the group level should give ...
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Regression on individual vs collapsed data
Should we expect the regression on individual and aggregated data to be the same?
Not necessarily. One reason is that data may be aggregated in more than one way, and different aggregations may yield ...
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Regression on individual vs collapsed data
In general, regressing at the individual level does not guarantee the same results as at the group level. The results may be the same, depending on how the data was collapsed, but not always.
However, ...
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