Pivot Analysis in Weighted Linear Regression
Yuancheng Si
School of Mathematics, University of Manchester, Manchester M13 9PL, UK
yuancheng.si@postgrad.manchester.ac.uk
Abstract. According to Lutzer (2017), the simple linear regression lines based on repeating single observations from a given dataset pivot at a certain pivotal point. In this paper, we discuss this behavior in a more general case and give an explanation about the pivot behavior.
Keywords: Least square regression • Pivot behavior • Weighted least square.
DOI: https://doi.org/10.35566/isdsa2019c4
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