Although the problem of collinearity will not compromise the predictive ability of a regression model, it can interfere in determining the precise effect of each predictor.
These variables frequently correlate with each other, which will introduce multicollinearity in the regression models ( 1). Accepted for publication Jun 28, 2017.Ĭlinical studies utilizing electronic healthcare records (EHR) usually present a large number of variables. Keywords: Principal component analysis multicollinearity regression R Policy of Dealing with Allegations of Research Misconduct.Policy of Screening for Plagiarism Process.
