ISBN-13: 9783319698281 / Angielski / Twarda / 2018 / 146 str.
ISBN-13: 9783319698281 / Angielski / Twarda / 2018 / 146 str.
When data consists of grouped observations or clusters, and there is a risk that measurements within the same groups are not independent, group-specific random effects can be added to a regression model in order to account for such within-group associations.