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CPS1911 Nurkhairary A. M. et al.
Figure 1. Location of Kota Kinabalu
2. Methodology
Mokhtar et al. (2015) proposed simultaneous linear functional relationship
model for circular variables. The model is given by
= + (mod 2) (3)
where = + and = + , for = 1, … , ; = 1, … , .
The estimation of the parameters in model are obtained by the method of
maximum likelihood. The estimates of the rotation parameter is given by
tan −1 ( ) ℎ > 0, > 0
̂ = tan −1 ( ) + ℎ < 0
−1
{ tan ( ) + 2 ℎ < 0, > 0
where
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