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tips:models_with_or_without_intercept

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tips:models_with_or_without_intercept [2020/10/31 08:46]
Wolfgang Viechtbauer
tips:models_with_or_without_intercept [2021/02/12 15:53]
Wolfgang Viechtbauer
Line 245: Line 245:
 ==== Parameterization ==== ==== Parameterization ====
  
-What the example above shows is that, whether we remove the intercept or not, we are essentially fitting the same model, but using a different [[wp>Parametrization_(geometry)|parameterization]]. The Wikipedia page linked to here discusses the idea of parameterization in the context of geometry, but this is directly relevant, since fundamentally the process of fitting (meta)-regression models can also be conceptualized geometrically (involving projections and vector spaces). An excellent (but quite technical) reference for this perspective is Christensen (2011).+What the example above shows is that, whether we remove the intercept or not, we are essentially fitting the same model, but using a different [[wp>Parametrization_(geometry)|parameterization]]. The Wikipedia page linked to here discusses the idea of parameterization in the context of geometry, but this is directly relevant, since fundamentally the process of fitting (meta)-regression models can also be conceptualized geometrically (involving projections and vector spaces). An excellent (but quite technical) reference for this perspective (on regression models in general) is Christensen (2011).
  
 ==== Models with Continuous Moderators ==== ==== Models with Continuous Moderators ====
tips/models_with_or_without_intercept.txt ยท Last modified: 2021/02/12 16:09 by Wolfgang Viechtbauer