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van Buuren, S. (author), Fredriks, M. (author)The worm plot visualizes differences between two distributions, conditional on the values of a covariate. Though the worm plot is a general diagnostic tool for the analysis of residuals, this paper focuses on an application in constructing growth reference curves, where the covariate of interest is age. The LMS model of Cole and Green is used to...article 2001
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- Mul, D. (author), Fredriks, M. (author), van Buuren, S. (author), Oostdijk, W. (author), Verloove-Vanhorick, S.P. (author), Wit, J.M. (author) article 2001