Quantile regression and restricted cubic splines are useful for exploring relationships between continuous variables

Applied logistic regression

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William A. Knaus, Elizabeth A. Draper, Douglas P. Wagner et al. · Critical Care Medicine · 1985 · 13.4K citations

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Quantile Regression

Roger Koenker, Kevin F. Hallock · The Journal of Economic Perspectives · 2001 · 4.2K citations

Econometric Model, Economics, Applied Economics +12