Relive the magic of the Disney*Pixar film, Brave, with this read-along storybook that includes word-for-word narration, thrilling sound effects, and original character voices from the movie!
When data consist of grouped observations or clusters, and there is a risk that measurements within the same group are not independent, group-specific random effects can be added to a regression model in order to account for such within-group associations. Regression models that contain such group-specific random effects are called mixed-effects regression models, or simply mixed models. Mixed models are a versatile tool that can handle both balanced and unbalanced datasets and that can also be applied when several layers of grouping are present in the data; these layers can either be nested or crossed.
Added by: dungpham281 | Karma: 44.16 | Black Hole | 22 December 2017
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25 biggest mistakes teachers make
This bit of prose capsulizes a problem that occurs all too often in class- rooms across the country. Some teachers do and say things that traumatize students, leaving them psychologically scarred from childhood on into adulthood. I use traumatize in the academic context of psychological or physiological effects that an aversive situation has on a person that results in devastating, long-term effects or lasting negative impressions.
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