THE APPLICATION OF WEIGHTED LEAST SQUARE (WLS) IN PARAMETER ESTIMATION OF A PATH ANALYSIS
Ni Wayan Suryawardhani, Waego Hadi Nugroho, Adji Achmad Rinaldo Fernandes
Path analysis is one of the multivariate analysis techniques and development of regression analysis developed by Sewall Wright in 1934. The vertical garden technique is one of the greening techniques that can be applied in green building. Vertical garden is an upright garden concept, namely plants and other garden elements arranged in such a way in an upright field. In this study the author wants to find out what factors influence the interest of the people of Bendosari Village in building a vertical garden. The data used in this study are primary data with respondents from the Bendosari Village community from Cukal, Dadapan Wetan, Dadapan Kulon, Ngprih and Tretes. The method used is path analysis with the Weighted Least Square (WLS) method as an estimator of its parameters. The WLS method is used to overcome (heterogeneous) error constants in the data obtained. The results of this study indicate that the attitudes, intentions and behavior of the Bendosari Village community in constructing vertical gardens are significantly influenced by Perception of Benefits, Influence of Social Environment and Motivation. Whereas the Perception of Ease of Development does not affect the attitudes, intentions, and behavior of the Bendosari Village community in building a vertical garden significantly. This shows that the Bendosari Village community is a reliable and competent community because the Bendosari Village community tends to ignore the view that whether a facility is easy or difficult to make before building it.