Dear Sir/Ma,
I am a young forest biometrician that adopted the method that consider how
correlation within plot and between stand can be handled.
Actually i am working on modelling height-diameter relationship under different
canopy layer using mixed model approach.
METHODOLOGY:
> Height and diameter measurement of tree under different canopy layer was
> taken at stand level.
>stand attributes such as quadratic mean diameter(Dq),mean height(Hm),dominant
>height(Ho),dominant diameter(Do),Basal area of the largest tree(BAL) were
>included in the selected models.
>I considered Dq,Hm,Ho,Do and BAL as the fixed component,and canopy layers as
>the random component.The canopy layer are tagged
>suppressed(4),intermediate(3),Co-dominant(2) and dominant(4)
>How do i analyse the fixed and random effect of this models.The models and
>example of data to be analysed are attached.
I will be grateful for any suggestions and the command to run this analysis on
R.
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