The Effects of Omitted Variable on Multicollinearity in Hierarchical Linear Modelling
Asian Journal of Probability and Statistics · pp. 1–13 · Published 6 Sep 2021
10.9734/ajpas/2021/v14i430333Abstract
This study investigates the impact of violation of the assumption of the hierarchical linear model where covariate of level – 1 collinear with the correct functional and omitted variable model. This was carried out via Monte Carlo simulation. In an attempt to achieve this omitted variable bias was introduced. The study considers the multicollinearity effects when the models are in the correct form and when they are not in the correct form. Also, multicollinearity test was carried out on the data set to find out whether there is presence of multicollinearity among the data set using Variance Inflation Factor (VIF). At the end of the study, the result shows that, omitted variable has tremendous impact on hierarchical linear model.
Cited by 1
Carolina Gonzalez-Canas, Gustavo A. Valencia-Zapata, Ana Maria Estrada Gomez · Healthcare Analytics · 2024
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