- Anadolu Üniversitesi Bilim Ve Teknoloji Dergisi - B Teorik Bilimler
- Vol: 2 Issue: 2
- ESTIMATION AND INFERENCES IN LINEAR MIXED EFFECTS MODELS: A COMPARATIVE STUDY
ESTIMATION AND INFERENCES IN LINEAR MIXED EFFECTS MODELS: A COMPARATIVE STUDY
Authors : Özlem Aksoy, Dursun Aydin
Pages : 91-102
View : 23 | Download : 8
Publication Date : 2015-05-05
Article Type : Research
Abstract :Smoothing methods that use basis functions with penalization can be formulated as fits in formlinear mixed effects models. This allows s uch models to be fitted using sta ndard mixed models structures. In this paper we provide an estimation and inference for linear mixed models using restrict- ed maximum likelihood and penalized spline smoothing, and describe the connection between the two. To this end, a real data example is considered and model is fitted in R using diff erent package. We see that penalized spline smoothing expressed in form of linear mixed model gives the better results than standard mixed effects model.Keywords : Karma etkili model, Yarı-parametrik regresyon, Cezalı splayn, düzeltme parametresi, Genelleştirilmiş çapraz geçerlilik